1245646820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2087}}^1\times {\mathrm{2713}}^1$

素因数の和:4820

約数の個数: 48

約数和(自身を含む): 2856083328

約数和(自身を除く): 1610436508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2087, 2713, 4174, 5426, 8348, 10435, 10852, 13565, 20870, 22957, 27130, 29843, 41740, 45914, 54260, 59686, 91828, 114785, 119372, 149215, 229570, 298430, 459140, 596860, 5662031, 11324062, 22648124, 28310155, 56620310, 62282341, 113240620, 124564682, 249129364, 311411705, 622823410, 1245646820]

約数ペア:

[(1, 1245646820), (2, 622823410), (4, 311411705), (5, 249129364), (10, 124564682), (11, 113240620), (20, 62282341), (22, 56620310), (44, 28310155), (55, 22648124), (110, 11324062), (220, 5662031), (2087, 596860), (2713, 459140), (4174, 298430), (5426, 229570), (8348, 149215), (10435, 119372), (10852, 114785), (13565, 91828), (20870, 59686), (22957, 54260), (27130, 45914), (29843, 41740)]