80752160

素因数分解:

$2^5\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1171}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 191382912

約数和(自身を除く): 110630752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 431, 862, 1171, 1724, 2155, 2342, 3448, 4310, 4684, 5855, 6896, 8620, 9368, 11710, 13792, 17240, 18736, 23420, 34480, 37472, 46840, 68960, 93680, 187360, 504701, 1009402, 2018804, 2523505, 4037608, 5047010, 8075216, 10094020, 16150432, 20188040, 40376080, 80752160]

約数ペア:

[(1, 80752160), (2, 40376080), (4, 20188040), (5, 16150432), (8, 10094020), (10, 8075216), (16, 5047010), (20, 4037608), (32, 2523505), (40, 2018804), (80, 1009402), (160, 504701), (431, 187360), (862, 93680), (1171, 68960), (1724, 46840), (2155, 37472), (2342, 34480), (3448, 23420), (4310, 18736), (4684, 17240), (5855, 13792), (6896, 11710), (8620, 9368)]