1275796625

素因数分解:

$5^3\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 1619025408

約数和(自身を除く): 343228783

約数列:

[1, 5, 25, 103, 125, 197, 503, 515, 985, 2515, 2575, 4925, 12575, 12875, 20291, 24625, 51809, 62875, 99091, 101455, 259045, 495455, 507275, 1295225, 2477275, 2536375, 6476125, 10206373, 12386375, 51031865, 255159325, 1275796625]

約数ペア:

[(1, 1275796625), (5, 255159325), (25, 51031865), (103, 12386375), (125, 10206373), (197, 6476125), (503, 2536375), (515, 2477275), (985, 1295225), (2515, 507275), (2575, 495455), (4925, 259045), (12575, 101455), (12875, 99091), (20291, 62875), (24625, 51809)]