3180125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:150

約数の個数: 32

約数和(自身を含む): 4542720

約数和(自身を除く): 1362595

約数列:

[1, 5, 13, 19, 25, 65, 95, 103, 125, 247, 325, 475, 515, 1235, 1339, 1625, 1957, 2375, 2575, 6175, 6695, 9785, 12875, 25441, 30875, 33475, 48925, 127205, 167375, 244625, 636025, 3180125]

約数ペア:

[(1, 3180125), (5, 636025), (13, 244625), (19, 167375), (25, 127205), (65, 48925), (95, 33475), (103, 30875), (125, 25441), (247, 12875), (325, 9785), (475, 6695), (515, 6175), (1235, 2575), (1339, 2375), (1625, 1957)]