82968520

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10529}}^1$

素因数の和:10737

約数の個数: 32

約数和(自身を含む): 187644600

約数和(自身を除く): 104676080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 10529, 21058, 42116, 52645, 84232, 105290, 210580, 421160, 2074213, 4148426, 8296852, 10371065, 16593704, 20742130, 41484260, 82968520]

約数ペア:

[(1, 82968520), (2, 41484260), (4, 20742130), (5, 16593704), (8, 10371065), (10, 8296852), (20, 4148426), (40, 2074213), (197, 421160), (394, 210580), (788, 105290), (985, 84232), (1576, 52645), (1970, 42116), (3940, 21058), (7880, 10529)]