16587400

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 38853540

約数和(自身を除く): 22266140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 421, 788, 842, 985, 1576, 1684, 1970, 2105, 3368, 3940, 4210, 4925, 7880, 8420, 9850, 10525, 16840, 19700, 21050, 39400, 42100, 82937, 84200, 165874, 331748, 414685, 663496, 829370, 1658740, 2073425, 3317480, 4146850, 8293700, 16587400]

約数ペア:

[(1, 16587400), (2, 8293700), (4, 4146850), (5, 3317480), (8, 2073425), (10, 1658740), (20, 829370), (25, 663496), (40, 414685), (50, 331748), (100, 165874), (197, 84200), (200, 82937), (394, 42100), (421, 39400), (788, 21050), (842, 19700), (985, 16840), (1576, 10525), (1684, 9850), (1970, 8420), (2105, 7880), (3368, 4925), (3940, 4210)]