260069440

素因数分解:

$2^6\times 5^1\times {\mathrm{812717}}^1$

素因数の和:812734

約数の個数: 28

約数和(自身を含む): 619291116

約数和(自身を除く): 359221676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 812717, 1625434, 3250868, 4063585, 6501736, 8127170, 13003472, 16254340, 26006944, 32508680, 52013888, 65017360, 130034720, 260069440]

約数ペア:

[(1, 260069440), (2, 130034720), (4, 65017360), (5, 52013888), (8, 32508680), (10, 26006944), (16, 16254340), (20, 13003472), (32, 8127170), (40, 6501736), (64, 4063585), (80, 3250868), (160, 1625434), (320, 812717)]