6445820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3191}}^1$

素因数の和:3301

約数の個数: 24

約数和(自身を含む): 13674528

約数和(自身を除く): 7228708

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 3191, 6382, 12764, 15955, 31910, 63820, 322291, 644582, 1289164, 1611455, 3222910, 6445820]

約数ペア:

[(1, 6445820), (2, 3222910), (4, 1611455), (5, 1289164), (10, 644582), (20, 322291), (101, 63820), (202, 31910), (404, 15955), (505, 12764), (1010, 6382), (2020, 3191)]