71820875

素因数分解:

$5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1039}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 103833600

約数和(自身を除く): 32012725

約数列:

[1, 5, 7, 25, 35, 79, 125, 175, 395, 553, 875, 1039, 1975, 2765, 5195, 7273, 9875, 13825, 25975, 36365, 69125, 82081, 129875, 181825, 410405, 574567, 909125, 2052025, 2872835, 10260125, 14364175, 71820875]

約数ペア:

[(1, 71820875), (5, 14364175), (7, 10260125), (25, 2872835), (35, 2052025), (79, 909125), (125, 574567), (175, 410405), (395, 181825), (553, 129875), (875, 82081), (1039, 69125), (1975, 36365), (2765, 25975), (5195, 13825), (7273, 9875)]