25325625

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1039}}^1$

素因数の和:1075

約数の個数: 40

約数和(自身を含む): 45485440

約数和(自身を除く): 20159815

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 625, 975, 1039, 1625, 1875, 3117, 4875, 5195, 8125, 13507, 15585, 24375, 25975, 40521, 67535, 77925, 129875, 202605, 337675, 389625, 649375, 1013025, 1688375, 1948125, 5065125, 8441875, 25325625]

約数ペア:

[(1, 25325625), (3, 8441875), (5, 5065125), (13, 1948125), (15, 1688375), (25, 1013025), (39, 649375), (65, 389625), (75, 337675), (125, 202605), (195, 129875), (325, 77925), (375, 67535), (625, 40521), (975, 25975), (1039, 24375), (1625, 15585), (1875, 13507), (3117, 8125), (4875, 5195)]