31494580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4177}}^1$

素因数の和:4228

約数の個数: 48

約数和(自身を含む): 73699920

約数和(自身を除く): 42205340

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, 3770, 4177, 7540, 8354, 16708, 20885, 41770, 54301, 83540, 108602, 121133, 217204, 242266, 271505, 484532, 543010, 605665, 1086020, 1211330, 1574729, 2422660, 3149458, 6298916, 7873645, 15747290, 31494580]

約数ペア:

[(1, 31494580), (2, 15747290), (4, 7873645), (5, 6298916), (10, 3149458), (13, 2422660), (20, 1574729), (26, 1211330), (29, 1086020), (52, 605665), (58, 543010), (65, 484532), (116, 271505), (130, 242266), (145, 217204), (260, 121133), (290, 108602), (377, 83540), (580, 54301), (754, 41770), (1508, 20885), (1885, 16708), (3770, 8354), (4177, 7540)]