2085208640

素因数分解:

$2^6\times 5^1\times {\mathrm{821}}^1\times {\mathrm{7937}}^1$

素因数の和:8775

約数の個数: 56

約数和(自身を含む): 4972077432

約数和(自身を除く): 2886868792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 821, 1642, 3284, 4105, 6568, 7937, 8210, 13136, 15874, 16420, 26272, 31748, 32840, 39685, 52544, 63496, 65680, 79370, 126992, 131360, 158740, 253984, 262720, 317480, 507968, 634960, 1269920, 2539840, 6516277, 13032554, 26065108, 32581385, 52130216, 65162770, 104260432, 130325540, 208520864, 260651080, 417041728, 521302160, 1042604320, 2085208640]

約数ペア:

[(1, 2085208640), (2, 1042604320), (4, 521302160), (5, 417041728), (8, 260651080), (10, 208520864), (16, 130325540), (20, 104260432), (32, 65162770), (40, 52130216), (64, 32581385), (80, 26065108), (160, 13032554), (320, 6516277), (821, 2539840), (1642, 1269920), (3284, 634960), (4105, 507968), (6568, 317480), (7937, 262720), (8210, 253984), (13136, 158740), (15874, 131360), (16420, 126992), (26272, 79370), (31748, 65680), (32840, 63496), (39685, 52544)]