8810780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 20895840

約数和(自身を除く): 12085060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1381, 1595, 2762, 3190, 5524, 6380, 6905, 13810, 15191, 27620, 30382, 40049, 60764, 75955, 80098, 151910, 160196, 200245, 303820, 400490, 440539, 800980, 881078, 1762156, 2202695, 4405390, 8810780]

約数ペア:

[(1, 8810780), (2, 4405390), (4, 2202695), (5, 1762156), (10, 881078), (11, 800980), (20, 440539), (22, 400490), (29, 303820), (44, 200245), (55, 160196), (58, 151910), (110, 80098), (116, 75955), (145, 60764), (220, 40049), (290, 30382), (319, 27620), (580, 15191), (638, 13810), (1276, 6905), (1381, 6380), (1595, 5524), (2762, 3190)]