7967207960

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1011067}}^1$

素因数の和:1011275

約数の個数: 32

約数和(自身を含む): 18017231760

約数和(自身を除く): 10050023800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 1011067, 2022134, 4044268, 5055335, 8088536, 10110670, 20221340, 40442680, 199180199, 398360398, 796720796, 995900995, 1593441592, 1991801990, 3983603980, 7967207960]

約数ペア:

[(1, 7967207960), (2, 3983603980), (4, 1991801990), (5, 1593441592), (8, 995900995), (10, 796720796), (20, 398360398), (40, 199180199), (197, 40442680), (394, 20221340), (788, 10110670), (985, 8088536), (1576, 5055335), (1970, 4044268), (3940, 2022134), (7880, 1011067)]