54045875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 73731840

約数和(自身を除く): 19685965

約数列:

[1, 5, 13, 25, 65, 79, 125, 325, 395, 421, 1027, 1625, 1975, 2105, 5135, 5473, 9875, 10525, 25675, 27365, 33259, 52625, 128375, 136825, 166295, 432367, 684125, 831475, 2161835, 4157375, 10809175, 54045875]

約数ペア:

[(1, 54045875), (5, 10809175), (13, 4157375), (25, 2161835), (65, 831475), (79, 684125), (125, 432367), (325, 166295), (395, 136825), (421, 128375), (1027, 52625), (1625, 33259), (1975, 27365), (2105, 25675), (5135, 10525), (5473, 9875)]