3317480

素因数分解:

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

素因数の和:629

約数の個数: 32

約数和(自身を含む): 7520040

約数和(自身を除く): 4202560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 421, 788, 842, 985, 1576, 1684, 1970, 2105, 3368, 3940, 4210, 7880, 8420, 16840, 82937, 165874, 331748, 414685, 663496, 829370, 1658740, 3317480]

約数ペア:

[(1, 3317480), (2, 1658740), (4, 829370), (5, 663496), (8, 414685), (10, 331748), (20, 165874), (40, 82937), (197, 16840), (394, 8420), (421, 7880), (788, 4210), (842, 3940), (985, 3368), (1576, 2105), (1684, 1970)]