61398875

素因数分解:

$5^3\times {\mathrm{89}}^1\times {\mathrm{5519}}^1$

素因数の和:5623

約数の個数: 16

約数和(自身を含む): 77500800

約数和(自身を除く): 16101925

約数列:

[1, 5, 25, 89, 125, 445, 2225, 5519, 11125, 27595, 137975, 491191, 689875, 2455955, 12279775, 61398875]

約数ペア:

[(1, 61398875), (5, 12279775), (25, 2455955), (89, 689875), (125, 491191), (445, 137975), (2225, 27595), (5519, 11125)]