28041260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3719}}^1$

素因数の和:3770

約数の個数: 48

約数和(自身を含む): 65620800

約数和(自身を除く): 37579540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3719, 3770, 7438, 7540, 14876, 18595, 37190, 48347, 74380, 96694, 107851, 193388, 215702, 241735, 431404, 483470, 539255, 966940, 1078510, 1402063, 2157020, 2804126, 5608252, 7010315, 14020630, 28041260]

約数ペア:

[(1, 28041260), (2, 14020630), (4, 7010315), (5, 5608252), (10, 2804126), (13, 2157020), (20, 1402063), (26, 1078510), (29, 966940), (52, 539255), (58, 483470), (65, 431404), (116, 241735), (130, 215702), (145, 193388), (260, 107851), (290, 96694), (377, 74380), (580, 48347), (754, 37190), (1508, 18595), (1885, 14876), (3719, 7540), (3770, 7438)]