121640125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{31391}}^1$

素因数の和:31437

約数の個数: 16

約数和(自身を含む): 156708864

約数和(自身を除く): 35068739

約数列:

[1, 5, 25, 31, 125, 155, 775, 3875, 31391, 156955, 784775, 973121, 3923875, 4865605, 24328025, 121640125]

約数ペア:

[(1, 121640125), (5, 24328025), (25, 4865605), (31, 3923875), (125, 973121), (155, 784775), (775, 156955), (3875, 31391)]