28246580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 63383040

約数和(自身を除く): 35136460

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1571, 1798, 3142, 3596, 4495, 6284, 7855, 8990, 15710, 17980, 31420, 45559, 48701, 91118, 97402, 182236, 194804, 227795, 243505, 455590, 487010, 911180, 974020, 1412329, 2824658, 5649316, 7061645, 14123290, 28246580]

約数ペア:

[(1, 28246580), (2, 14123290), (4, 7061645), (5, 5649316), (10, 2824658), (20, 1412329), (29, 974020), (31, 911180), (58, 487010), (62, 455590), (116, 243505), (124, 227795), (145, 194804), (155, 182236), (290, 97402), (310, 91118), (580, 48701), (620, 45559), (899, 31420), (1571, 17980), (1798, 15710), (3142, 8990), (3596, 7855), (4495, 6284)]