6640540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19531}}^1$

素因数の和:19557

約数の個数: 24

約数和(自身を含む): 14766192

約数和(自身を除く): 8125652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 19531, 39062, 78124, 97655, 195310, 332027, 390620, 664054, 1328108, 1660135, 3320270, 6640540]

約数ペア:

[(1, 6640540), (2, 3320270), (4, 1660135), (5, 1328108), (10, 664054), (17, 390620), (20, 332027), (34, 195310), (68, 97655), (85, 78124), (170, 39062), (340, 19531)]