28788100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{26171}}^1$

素因数の和:26196

約数の個数: 36

約数和(自身を含む): 68151888

約数和(自身を除く): 39363788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 26171, 52342, 104684, 130855, 261710, 287881, 523420, 575762, 654275, 1151524, 1308550, 1439405, 2617100, 2878810, 5757620, 7197025, 14394050, 28788100]

約数ペア:

[(1, 28788100), (2, 14394050), (4, 7197025), (5, 5757620), (10, 2878810), (11, 2617100), (20, 1439405), (22, 1308550), (25, 1151524), (44, 654275), (50, 575762), (55, 523420), (100, 287881), (110, 261710), (220, 130855), (275, 104684), (550, 52342), (1100, 26171)]