12842960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 32904144

約数和(自身を除く): 20061184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 233, 260, 265, 424, 466, 520, 530, 689, 848, 932, 1040, 1060, 1165, 1378, 1864, 2120, 2330, 2756, 3029, 3445, 3728, 4240, 4660, 5512, 6058, 6890, 9320, 11024, 12116, 12349, 13780, 15145, 18640, 24232, 24698, 27560, 30290, 48464, 49396, 55120, 60580, 61745, 98792, 121160, 123490, 160537, 197584, 242320, 246980, 321074, 493960, 642148, 802685, 987920, 1284296, 1605370, 2568592, 3210740, 6421480, 12842960]

約数ペア:

[(1, 12842960), (2, 6421480), (4, 3210740), (5, 2568592), (8, 1605370), (10, 1284296), (13, 987920), (16, 802685), (20, 642148), (26, 493960), (40, 321074), (52, 246980), (53, 242320), (65, 197584), (80, 160537), (104, 123490), (106, 121160), (130, 98792), (208, 61745), (212, 60580), (233, 55120), (260, 49396), (265, 48464), (424, 30290), (466, 27560), (520, 24698), (530, 24232), (689, 18640), (848, 15145), (932, 13780), (1040, 12349), (1060, 12116), (1165, 11024), (1378, 9320), (1864, 6890), (2120, 6058), (2330, 5512), (2756, 4660), (3029, 4240), (3445, 3728)]