4025780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 9555840

約数和(自身を除く): 5530060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 631, 638, 1262, 1276, 1595, 2524, 3155, 3190, 6310, 6380, 6941, 12620, 13882, 18299, 27764, 34705, 36598, 69410, 73196, 91495, 138820, 182990, 201289, 365980, 402578, 805156, 1006445, 2012890, 4025780]

約数ペア:

[(1, 4025780), (2, 2012890), (4, 1006445), (5, 805156), (10, 402578), (11, 365980), (20, 201289), (22, 182990), (29, 138820), (44, 91495), (55, 73196), (58, 69410), (110, 36598), (116, 34705), (145, 27764), (220, 18299), (290, 13882), (319, 12620), (580, 6941), (631, 6380), (638, 6310), (1262, 3190), (1276, 3155), (1595, 2524)]