1395820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 2964528

約数和(自身を除く): 1568708

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 691, 1010, 1382, 2020, 2764, 3455, 6910, 13820, 69791, 139582, 279164, 348955, 697910, 1395820]

約数ペア:

[(1, 1395820), (2, 697910), (4, 348955), (5, 279164), (10, 139582), (20, 69791), (101, 13820), (202, 6910), (404, 3455), (505, 2764), (691, 2020), (1010, 1382)]