258869440

素因数分解:

$2^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7159}}^1$

素因数の和:7289

約数の個数: 56

約数和(自身を含む): 621974880

約数和(自身を除く): 363105440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 160, 226, 320, 452, 565, 904, 1130, 1808, 2260, 3616, 4520, 7159, 7232, 9040, 14318, 18080, 28636, 35795, 36160, 57272, 71590, 114544, 143180, 229088, 286360, 458176, 572720, 808967, 1145440, 1617934, 2290880, 3235868, 4044835, 6471736, 8089670, 12943472, 16179340, 25886944, 32358680, 51773888, 64717360, 129434720, 258869440]

約数ペア:

[(1, 258869440), (2, 129434720), (4, 64717360), (5, 51773888), (8, 32358680), (10, 25886944), (16, 16179340), (20, 12943472), (32, 8089670), (40, 6471736), (64, 4044835), (80, 3235868), (113, 2290880), (160, 1617934), (226, 1145440), (320, 808967), (452, 572720), (565, 458176), (904, 286360), (1130, 229088), (1808, 143180), (2260, 114544), (3616, 71590), (4520, 57272), (7159, 36160), (7232, 35795), (9040, 28636), (14318, 18080)]