64206580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3640

約数の個数: 48

約数和(自身を含む): 144023040

約数和(自身を除く): 79816460

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3571, 3596, 4495, 7142, 8990, 14284, 17855, 17980, 35710, 71420, 103559, 110701, 207118, 221402, 414236, 442804, 517795, 553505, 1035590, 1107010, 2071180, 2214020, 3210329, 6420658, 12841316, 16051645, 32103290, 64206580]

約数ペア:

[(1, 64206580), (2, 32103290), (4, 16051645), (5, 12841316), (10, 6420658), (20, 3210329), (29, 2214020), (31, 2071180), (58, 1107010), (62, 1035590), (116, 553505), (124, 517795), (145, 442804), (155, 414236), (290, 221402), (310, 207118), (580, 110701), (620, 103559), (899, 71420), (1798, 35710), (3571, 17980), (3596, 17855), (4495, 14284), (7142, 8990)]