65482960

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{997}}^1$

素因数の和:1831

約数の個数: 40

約数和(自身を含む): 152586216

約数和(自身を除く): 87103256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 997, 1642, 1994, 3284, 3988, 4105, 4985, 6568, 7976, 8210, 9970, 13136, 15952, 16420, 19940, 32840, 39880, 65680, 79760, 818537, 1637074, 3274148, 4092685, 6548296, 8185370, 13096592, 16370740, 32741480, 65482960]

約数ペア:

[(1, 65482960), (2, 32741480), (4, 16370740), (5, 13096592), (8, 8185370), (10, 6548296), (16, 4092685), (20, 3274148), (40, 1637074), (80, 818537), (821, 79760), (997, 65680), (1642, 39880), (1994, 32840), (3284, 19940), (3988, 16420), (4105, 15952), (4985, 13136), (6568, 9970), (7976, 8210)]