100804040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{569}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 234748800

約数和(自身を除く): 133944760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 103, 172, 206, 215, 344, 412, 430, 515, 569, 824, 860, 1030, 1138, 1720, 2060, 2276, 2845, 4120, 4429, 4552, 5690, 8858, 11380, 17716, 22145, 22760, 24467, 35432, 44290, 48934, 58607, 88580, 97868, 117214, 122335, 177160, 195736, 234428, 244670, 293035, 468856, 489340, 586070, 978680, 1172140, 2344280, 2520101, 5040202, 10080404, 12600505, 20160808, 25201010, 50402020, 100804040]

約数ペア:

[(1, 100804040), (2, 50402020), (4, 25201010), (5, 20160808), (8, 12600505), (10, 10080404), (20, 5040202), (40, 2520101), (43, 2344280), (86, 1172140), (103, 978680), (172, 586070), (206, 489340), (215, 468856), (344, 293035), (412, 244670), (430, 234428), (515, 195736), (569, 177160), (824, 122335), (860, 117214), (1030, 97868), (1138, 88580), (1720, 58607), (2060, 48934), (2276, 44290), (2845, 35432), (4120, 24467), (4429, 22760), (4552, 22145), (5690, 17716), (8858, 11380)]