673640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1531}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 1654560

約数和(自身を除く): 980920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1531, 3062, 6124, 7655, 12248, 15310, 16841, 30620, 33682, 61240, 67364, 84205, 134728, 168410, 336820, 673640]

約数ペア:

[(1, 673640), (2, 336820), (4, 168410), (5, 134728), (8, 84205), (10, 67364), (11, 61240), (20, 33682), (22, 30620), (40, 16841), (44, 15310), (55, 12248), (88, 7655), (110, 6124), (220, 3062), (440, 1531)]