4064125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 32

約数和(自身を含む): 5687136

約数和(自身を除く): 1623011

約数列:

[1, 5, 13, 25, 41, 61, 65, 125, 205, 305, 325, 533, 793, 1025, 1525, 1625, 2501, 2665, 3965, 5125, 7625, 12505, 13325, 19825, 32513, 62525, 66625, 99125, 162565, 312625, 812825, 4064125]

約数ペア:

[(1, 4064125), (5, 812825), (13, 312625), (25, 162565), (41, 99125), (61, 66625), (65, 62525), (125, 32513), (205, 19825), (305, 13325), (325, 12505), (533, 7625), (793, 5125), (1025, 3965), (1525, 2665), (1625, 2501)]