836875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:136

約数の個数: 20

約数和(自身を含む): 1137136

約数和(自身を除く): 300261

約数列:

[1, 5, 13, 25, 65, 103, 125, 325, 515, 625, 1339, 1625, 2575, 6695, 8125, 12875, 33475, 64375, 167375, 836875]

約数ペア:

[(1, 836875), (5, 167375), (13, 64375), (25, 33475), (65, 12875), (103, 8125), (125, 6695), (325, 2575), (515, 1625), (625, 1339)]