19501725440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{21859}}^1$

素因数の和:21938

約数の個数: 144

約数和(自身を含む): 50669206560

約数和(自身を除く): 31167481120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 128, 136, 160, 164, 170, 205, 256, 272, 320, 328, 340, 410, 544, 640, 656, 680, 697, 820, 1088, 1280, 1312, 1360, 1394, 1640, 2176, 2624, 2720, 2788, 3280, 3485, 4352, 5248, 5440, 5576, 6560, 6970, 10496, 10880, 11152, 13120, 13940, 21760, 21859, 22304, 26240, 27880, 43718, 44608, 52480, 55760, 87436, 89216, 109295, 111520, 174872, 178432, 218590, 223040, 349744, 371603, 437180, 446080, 699488, 743206, 874360, 892160, 896219, 1398976, 1486412, 1748720, 1792438, 1858015, 2797952, 2972824, 3497440, 3584876, 3716030, 4481095, 5595904, 5945648, 6994880, 7169752, 7432060, 8962190, 11891296, 13989760, 14339504, 14864120, 15235723, 17924380, 23782592, 27979520, 28679008, 29728240, 30471446, 35848760, 47565184, 57358016, 59456480, 60942892, 71697520, 76178615, 95130368, 114716032, 118912960, 121885784, 143395040, 152357230, 229432064, 237825920, 243771568, 286790080, 304714460, 475651840, 487543136, 573580160, 609428920, 975086272, 1147160320, 1218857840, 1950172544, 2437715680, 3900345088, 4875431360, 9750862720, 19501725440]

約数ペア:

[(1, 19501725440), (2, 9750862720), (4, 4875431360), (5, 3900345088), (8, 2437715680), (10, 1950172544), (16, 1218857840), (17, 1147160320), (20, 975086272), (32, 609428920), (34, 573580160), (40, 487543136), (41, 475651840), (64, 304714460), (68, 286790080), (80, 243771568), (82, 237825920), (85, 229432064), (128, 152357230), (136, 143395040), (160, 121885784), (164, 118912960), (170, 114716032), (205, 95130368), (256, 76178615), (272, 71697520), (320, 60942892), (328, 59456480), (340, 57358016), (410, 47565184), (544, 35848760), (640, 30471446), (656, 29728240), (680, 28679008), (697, 27979520), (820, 23782592), (1088, 17924380), (1280, 15235723), (1312, 14864120), (1360, 14339504), (1394, 13989760), (1640, 11891296), (2176, 8962190), (2624, 7432060), (2720, 7169752), (2788, 6994880), (3280, 5945648), (3485, 5595904), (4352, 4481095), (5248, 3716030), (5440, 3584876), (5576, 3497440), (6560, 2972824), (6970, 2797952), (10496, 1858015), (10880, 1792438), (11152, 1748720), (13120, 1486412), (13940, 1398976), (21760, 896219), (21859, 892160), (22304, 874360), (26240, 743206), (27880, 699488), (43718, 446080), (44608, 437180), (52480, 371603), (55760, 349744), (87436, 223040), (89216, 218590), (109295, 178432), (111520, 174872)]