40898500

素因数分解:

$2^2\times 5^3\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 90063792

約数和(自身を除く): 49165292

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 157, 250, 314, 500, 521, 628, 785, 1042, 1570, 2084, 2605, 3140, 3925, 5210, 7850, 10420, 13025, 15700, 19625, 26050, 39250, 52100, 65125, 78500, 81797, 130250, 163594, 260500, 327188, 408985, 817970, 1635940, 2044925, 4089850, 8179700, 10224625, 20449250, 40898500]

約数ペア:

[(1, 40898500), (2, 20449250), (4, 10224625), (5, 8179700), (10, 4089850), (20, 2044925), (25, 1635940), (50, 817970), (100, 408985), (125, 327188), (157, 260500), (250, 163594), (314, 130250), (500, 81797), (521, 78500), (628, 65125), (785, 52100), (1042, 39250), (1570, 26050), (2084, 19625), (2605, 15700), (3140, 13025), (3925, 10420), (5210, 7850)]