8288780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 18627840

約数和(自身を除く): 10339060

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 461, 580, 620, 899, 922, 1798, 1844, 2305, 3596, 4495, 4610, 8990, 9220, 13369, 14291, 17980, 26738, 28582, 53476, 57164, 66845, 71455, 133690, 142910, 267380, 285820, 414439, 828878, 1657756, 2072195, 4144390, 8288780]

約数ペア:

[(1, 8288780), (2, 4144390), (4, 2072195), (5, 1657756), (10, 828878), (20, 414439), (29, 285820), (31, 267380), (58, 142910), (62, 133690), (116, 71455), (124, 66845), (145, 57164), (155, 53476), (290, 28582), (310, 26738), (461, 17980), (580, 14291), (620, 13369), (899, 9220), (922, 8990), (1798, 4610), (1844, 4495), (2305, 3596)]