7628540

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1997}}^1$

素因数の和:2197

約数の個数: 24

約数和(自身を含む): 16111872

約数和(自身を除く): 8483332

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 1997, 3820, 3994, 7988, 9985, 19970, 39940, 381427, 762854, 1525708, 1907135, 3814270, 7628540]

約数ペア:

[(1, 7628540), (2, 3814270), (4, 1907135), (5, 1525708), (10, 762854), (20, 381427), (191, 39940), (382, 19970), (764, 9985), (955, 7988), (1910, 3994), (1997, 3820)]