103671250

素因数分解:

$2^1\times 5^4\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 40

約数和(自身を含む): 195771708

約数和(自身を除く): 92100458

約数列:

[1, 2, 5, 10, 25, 50, 125, 197, 250, 394, 421, 625, 842, 985, 1250, 1970, 2105, 4210, 4925, 9850, 10525, 21050, 24625, 49250, 52625, 82937, 105250, 123125, 165874, 246250, 263125, 414685, 526250, 829370, 2073425, 4146850, 10367125, 20734250, 51835625, 103671250]

約数ペア:

[(1, 103671250), (2, 51835625), (5, 20734250), (10, 10367125), (25, 4146850), (50, 2073425), (125, 829370), (197, 526250), (250, 414685), (394, 263125), (421, 246250), (625, 165874), (842, 123125), (985, 105250), (1250, 82937), (1970, 52625), (2105, 49250), (4210, 24625), (4925, 21050), (9850, 10525)]