91008080

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4229}}^1$

素因数の和:4511

約数の個数: 40

約数和(自身を含む): 212430600

約数和(自身を除く): 121422520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 4229, 4304, 5380, 8458, 10760, 16916, 21145, 21520, 33832, 42290, 67664, 84580, 169160, 338320, 1137601, 2275202, 4550404, 5688005, 9100808, 11376010, 18201616, 22752020, 45504040, 91008080]

約数ペア:

[(1, 91008080), (2, 45504040), (4, 22752020), (5, 18201616), (8, 11376010), (10, 9100808), (16, 5688005), (20, 4550404), (40, 2275202), (80, 1137601), (269, 338320), (538, 169160), (1076, 84580), (1345, 67664), (2152, 42290), (2690, 33832), (4229, 21520), (4304, 21145), (5380, 16916), (8458, 10760)]