206668160

素因数分解:

$2^7\times 5^1\times {\mathrm{322919}}^1$

素因数の和:322938

約数の個数: 32

約数和(自身を含む): 494067600

約数和(自身を除く): 287399440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 322919, 645838, 1291676, 1614595, 2583352, 3229190, 5166704, 6458380, 10333408, 12916760, 20666816, 25833520, 41333632, 51667040, 103334080, 206668160]

約数ペア:

[(1, 206668160), (2, 103334080), (4, 51667040), (5, 41333632), (8, 25833520), (10, 20666816), (16, 12916760), (20, 10333408), (32, 6458380), (40, 5166704), (64, 3229190), (80, 2583352), (128, 1614595), (160, 1291676), (320, 645838), (640, 322919)]