870827960

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{16657}}^1$

素因数の和:17975

約数の個数: 32

約数和(自身を含む): 1960979760

約数和(自身を除く): 1090151800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 2614, 5228, 6535, 10456, 13070, 16657, 26140, 33314, 52280, 66628, 83285, 133256, 166570, 333140, 666280, 21770699, 43541398, 87082796, 108853495, 174165592, 217706990, 435413980, 870827960]

約数ペア:

[(1, 870827960), (2, 435413980), (4, 217706990), (5, 174165592), (8, 108853495), (10, 87082796), (20, 43541398), (40, 21770699), (1307, 666280), (2614, 333140), (5228, 166570), (6535, 133256), (10456, 83285), (13070, 66628), (16657, 52280), (26140, 33314)]