87813680

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{10657}}^1$

素因数の和:10773

約数の個数: 40

約数和(自身を含む): 206168352

約数和(自身を除く): 118354672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 10657, 21314, 42628, 53285, 85256, 106570, 170512, 213140, 426280, 852560, 1097671, 2195342, 4390684, 5488355, 8781368, 10976710, 17562736, 21953420, 43906840, 87813680]

約数ペア:

[(1, 87813680), (2, 43906840), (4, 21953420), (5, 17562736), (8, 10976710), (10, 8781368), (16, 5488355), (20, 4390684), (40, 2195342), (80, 1097671), (103, 852560), (206, 426280), (412, 213140), (515, 170512), (824, 106570), (1030, 85256), (1648, 53285), (2060, 42628), (4120, 21314), (8240, 10657)]