80198825

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{5801}}^1$

素因数の和:5897

約数の個数: 24

約数和(自身を含む): 115111680

約数和(自身を除く): 34912855

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 1975, 2765, 5801, 13825, 29005, 40607, 145025, 203035, 458279, 1015175, 2291395, 3207953, 11456975, 16039765, 80198825]

約数ペア:

[(1, 80198825), (5, 16039765), (7, 11456975), (25, 3207953), (35, 2291395), (79, 1015175), (175, 458279), (395, 203035), (553, 145025), (1975, 40607), (2765, 29005), (5801, 13825)]