23240540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7129}}^1$

素因数の和:7301

約数の個数: 24

約数和(自身を含む): 49111440

約数和(自身を除く): 25870900

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 7129, 14258, 28516, 35645, 71290, 142580, 1162027, 2324054, 4648108, 5810135, 11620270, 23240540]

約数ペア:

[(1, 23240540), (2, 11620270), (4, 5810135), (5, 4648108), (10, 2324054), (20, 1162027), (163, 142580), (326, 71290), (652, 35645), (815, 28516), (1630, 14258), (3260, 7129)]