128589125

素因数分解:

$5^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{821}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 184654080

約数和(自身を除く): 56064955

約数列:

[1, 5, 7, 25, 35, 125, 175, 179, 821, 875, 895, 1253, 4105, 4475, 5747, 6265, 20525, 22375, 28735, 31325, 102625, 143675, 146959, 156625, 718375, 734795, 1028713, 3673975, 5143565, 18369875, 25717825, 128589125]

約数ペア:

[(1, 128589125), (5, 25717825), (7, 18369875), (25, 5143565), (35, 3673975), (125, 1028713), (175, 734795), (179, 718375), (821, 156625), (875, 146959), (895, 143675), (1253, 102625), (4105, 31325), (4475, 28735), (5747, 22375), (6265, 20525)]