636025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 902720

約数和(自身を除く): 266695

約数列:

[1, 5, 13, 19, 25, 65, 95, 103, 247, 325, 475, 515, 1235, 1339, 1957, 2575, 6175, 6695, 9785, 25441, 33475, 48925, 127205, 636025]

約数ペア:

[(1, 636025), (5, 127205), (13, 48925), (19, 33475), (25, 25441), (65, 9785), (95, 6695), (103, 6175), (247, 2575), (325, 1957), (475, 1339), (515, 1235)]