8388260

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2129}}^1$

素因数の和:2335

約数の個数: 24

約数和(自身を含む): 17713080

約数和(自身を除く): 9324820

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2129, 3940, 4258, 8516, 10645, 21290, 42580, 419413, 838826, 1677652, 2097065, 4194130, 8388260]

約数ペア:

[(1, 8388260), (2, 4194130), (4, 2097065), (5, 1677652), (10, 838826), (20, 419413), (197, 42580), (394, 21290), (788, 10645), (985, 8516), (1970, 4258), (2129, 3940)]