80383820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21493}}^1$

素因数の和:21530

約数の個数: 48

約数和(自身を含む): 194993568

約数和(自身を除く): 114609748

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 21493, 42986, 85972, 107465, 214930, 236423, 365381, 429860, 472846, 730762, 945692, 1182115, 1461524, 1826905, 2364230, 3653810, 4019191, 4728460, 7307620, 8038382, 16076764, 20095955, 40191910, 80383820]

約数ペア:

[(1, 80383820), (2, 40191910), (4, 20095955), (5, 16076764), (10, 8038382), (11, 7307620), (17, 4728460), (20, 4019191), (22, 3653810), (34, 2364230), (44, 1826905), (55, 1461524), (68, 1182115), (85, 945692), (110, 730762), (170, 472846), (187, 429860), (220, 365381), (340, 236423), (374, 214930), (748, 107465), (935, 85972), (1870, 42986), (3740, 21493)]