6656420

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1381}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 14046648

約数和(自身を除く): 7390228

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 1381, 2410, 2762, 4820, 5524, 6905, 13810, 27620, 332821, 665642, 1331284, 1664105, 3328210, 6656420]

約数ペア:

[(1, 6656420), (2, 3328210), (4, 1664105), (5, 1331284), (10, 665642), (20, 332821), (241, 27620), (482, 13810), (964, 6905), (1205, 5524), (1381, 4820), (2410, 2762)]