40818560

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:148

約数の個数: 128

約数和(自身を含む): 105753600

約数和(自身を除く): 64935040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 59, 64, 80, 92, 94, 115, 118, 128, 160, 184, 188, 230, 235, 236, 295, 320, 368, 376, 460, 470, 472, 590, 640, 736, 752, 920, 940, 944, 1081, 1180, 1357, 1472, 1504, 1840, 1880, 1888, 2162, 2360, 2714, 2773, 2944, 3008, 3680, 3760, 3776, 4324, 4720, 5405, 5428, 5546, 6016, 6785, 7360, 7520, 7552, 8648, 9440, 10810, 10856, 11092, 13570, 13865, 14720, 15040, 17296, 18880, 21620, 21712, 22184, 27140, 27730, 30080, 34592, 37760, 43240, 43424, 44368, 54280, 55460, 63779, 69184, 86480, 86848, 88736, 108560, 110920, 127558, 138368, 172960, 173696, 177472, 217120, 221840, 255116, 318895, 345920, 354944, 434240, 443680, 510232, 637790, 691840, 868480, 887360, 1020464, 1275580, 1774720, 2040928, 2551160, 4081856, 5102320, 8163712, 10204640, 20409280, 40818560]

約数ペア:

[(1, 40818560), (2, 20409280), (4, 10204640), (5, 8163712), (8, 5102320), (10, 4081856), (16, 2551160), (20, 2040928), (23, 1774720), (32, 1275580), (40, 1020464), (46, 887360), (47, 868480), (59, 691840), (64, 637790), (80, 510232), (92, 443680), (94, 434240), (115, 354944), (118, 345920), (128, 318895), (160, 255116), (184, 221840), (188, 217120), (230, 177472), (235, 173696), (236, 172960), (295, 138368), (320, 127558), (368, 110920), (376, 108560), (460, 88736), (470, 86848), (472, 86480), (590, 69184), (640, 63779), (736, 55460), (752, 54280), (920, 44368), (940, 43424), (944, 43240), (1081, 37760), (1180, 34592), (1357, 30080), (1472, 27730), (1504, 27140), (1840, 22184), (1880, 21712), (1888, 21620), (2162, 18880), (2360, 17296), (2714, 15040), (2773, 14720), (2944, 13865), (3008, 13570), (3680, 11092), (3760, 10856), (3776, 10810), (4324, 9440), (4720, 8648), (5405, 7552), (5428, 7520), (5546, 7360), (6016, 6785)]