28399280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 83994624

約数和(自身を除く): 55595344

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 47, 52, 56, 65, 70, 80, 83, 91, 94, 104, 112, 130, 140, 166, 182, 188, 208, 235, 260, 280, 329, 332, 364, 376, 415, 455, 470, 520, 560, 581, 611, 658, 664, 728, 752, 830, 910, 940, 1040, 1079, 1162, 1222, 1316, 1328, 1456, 1645, 1660, 1820, 1880, 2158, 2324, 2444, 2632, 2905, 3055, 3290, 3320, 3640, 3760, 3901, 4277, 4316, 4648, 4888, 5264, 5395, 5810, 6110, 6580, 6640, 7280, 7553, 7802, 8554, 8632, 9296, 9776, 10790, 11620, 12220, 13160, 15106, 15604, 17108, 17264, 19505, 21385, 21580, 23240, 24440, 26320, 27307, 30212, 31208, 34216, 37765, 39010, 42770, 43160, 46480, 48880, 50713, 54614, 60424, 62416, 68432, 75530, 78020, 85540, 86320, 101426, 109228, 120848, 136535, 151060, 156040, 171080, 202852, 218456, 253565, 273070, 302120, 312080, 342160, 354991, 405704, 436912, 507130, 546140, 604240, 709982, 811408, 1014260, 1092280, 1419964, 1774955, 2028520, 2184560, 2839928, 3549910, 4057040, 5679856, 7099820, 14199640, 28399280]

約数ペア:

[(1, 28399280), (2, 14199640), (4, 7099820), (5, 5679856), (7, 4057040), (8, 3549910), (10, 2839928), (13, 2184560), (14, 2028520), (16, 1774955), (20, 1419964), (26, 1092280), (28, 1014260), (35, 811408), (40, 709982), (47, 604240), (52, 546140), (56, 507130), (65, 436912), (70, 405704), (80, 354991), (83, 342160), (91, 312080), (94, 302120), (104, 273070), (112, 253565), (130, 218456), (140, 202852), (166, 171080), (182, 156040), (188, 151060), (208, 136535), (235, 120848), (260, 109228), (280, 101426), (329, 86320), (332, 85540), (364, 78020), (376, 75530), (415, 68432), (455, 62416), (470, 60424), (520, 54614), (560, 50713), (581, 48880), (611, 46480), (658, 43160), (664, 42770), (728, 39010), (752, 37765), (830, 34216), (910, 31208), (940, 30212), (1040, 27307), (1079, 26320), (1162, 24440), (1222, 23240), (1316, 21580), (1328, 21385), (1456, 19505), (1645, 17264), (1660, 17108), (1820, 15604), (1880, 15106), (2158, 13160), (2324, 12220), (2444, 11620), (2632, 10790), (2905, 9776), (3055, 9296), (3290, 8632), (3320, 8554), (3640, 7802), (3760, 7553), (3901, 7280), (4277, 6640), (4316, 6580), (4648, 6110), (4888, 5810), (5264, 5395)]