74008520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11351}}^1$

素因数の和:11525

約数の個数: 32

約数和(自身を含む): 167555520

約数和(自身を除く): 93547000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 11351, 22702, 45404, 56755, 90808, 113510, 227020, 454040, 1850213, 3700426, 7400852, 9251065, 14801704, 18502130, 37004260, 74008520]

約数ペア:

[(1, 74008520), (2, 37004260), (4, 18502130), (5, 14801704), (8, 9251065), (10, 7400852), (20, 3700426), (40, 1850213), (163, 454040), (326, 227020), (652, 113510), (815, 90808), (1304, 56755), (1630, 45404), (3260, 22702), (6520, 11351)]