128565125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 175759584

約数和(自身を除く): 47194459

約数列:

[1, 5, 13, 25, 61, 65, 125, 305, 325, 793, 1297, 1525, 1625, 3965, 6485, 7625, 16861, 19825, 32425, 79117, 84305, 99125, 162125, 395585, 421525, 1028521, 1977925, 2107625, 5142605, 9889625, 25713025, 128565125]

約数ペア:

[(1, 128565125), (5, 25713025), (13, 9889625), (25, 5142605), (61, 2107625), (65, 1977925), (125, 1028521), (305, 421525), (325, 395585), (793, 162125), (1297, 99125), (1525, 84305), (1625, 79117), (3965, 32425), (6485, 19825), (7625, 16861)]