8223820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 19504800

約数和(自身を除く): 11280980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1289, 1595, 2578, 3190, 5156, 6380, 6445, 12890, 14179, 25780, 28358, 37381, 56716, 70895, 74762, 141790, 149524, 186905, 283580, 373810, 411191, 747620, 822382, 1644764, 2055955, 4111910, 8223820]

約数ペア:

[(1, 8223820), (2, 4111910), (4, 2055955), (5, 1644764), (10, 822382), (11, 747620), (20, 411191), (22, 373810), (29, 283580), (44, 186905), (55, 149524), (58, 141790), (110, 74762), (116, 70895), (145, 56716), (220, 37381), (290, 28358), (319, 25780), (580, 14179), (638, 12890), (1276, 6445), (1289, 6380), (1595, 5156), (2578, 3190)]