1330431860

素因数分解:

$2^2\times 5^1\times {\mathrm{13339}}^1\times {\mathrm{4987}}^1$

素因数の和:18335

約数の個数: 24

約数和(自身を含む): 2794676640

約数和(自身を除く): 1464244780

約数列:

[1, 2, 4, 5, 10, 20, 4987, 9974, 13339, 19948, 24935, 26678, 49870, 53356, 66695, 99740, 133390, 266780, 66521593, 133043186, 266086372, 332607965, 665215930, 1330431860]

約数ペア:

[(1, 1330431860), (2, 665215930), (4, 332607965), (5, 266086372), (10, 133043186), (20, 66521593), (4987, 266780), (9974, 133390), (13339, 99740), (19948, 66695), (24935, 53356), (26678, 49870)]