157020040720

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4798901}}^1$

素因数の和:4799323

約数の個数: 40

約数和(自身を含む): 365964266520

約数和(自身を除く): 208944225800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 16360, 32720, 4798901, 9597802, 19195604, 23994505, 38391208, 47989010, 76782416, 95978020, 191956040, 383912080, 1962750509, 3925501018, 7851002036, 9813752545, 15702004072, 19627505090, 31404008144, 39255010180, 78510020360, 157020040720]

約数ペア:

[(1, 157020040720), (2, 78510020360), (4, 39255010180), (5, 31404008144), (8, 19627505090), (10, 15702004072), (16, 9813752545), (20, 7851002036), (40, 3925501018), (80, 1962750509), (409, 383912080), (818, 191956040), (1636, 95978020), (2045, 76782416), (3272, 47989010), (4090, 38391208), (6544, 23994505), (8180, 19195604), (16360, 9597802), (32720, 4798901)]