65225625

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:875

約数の個数: 40

約数和(自身を含む): 111339360

約数和(自身を除く): 46113735

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 625, 645, 809, 1075, 1875, 2427, 3225, 4045, 5375, 12135, 16125, 20225, 26875, 34787, 60675, 80625, 101125, 104361, 173935, 303375, 505625, 521805, 869675, 1516875, 2609025, 4348375, 13045125, 21741875, 65225625]

約数ペア:

[(1, 65225625), (3, 21741875), (5, 13045125), (15, 4348375), (25, 2609025), (43, 1516875), (75, 869675), (125, 521805), (129, 505625), (215, 303375), (375, 173935), (625, 104361), (645, 101125), (809, 80625), (1075, 60675), (1875, 34787), (2427, 26875), (3225, 20225), (4045, 16125), (5375, 12135)]