72138625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 98122752

約数和(自身を除く): 25984127

約数列:

[1, 5, 13, 25, 65, 103, 125, 325, 431, 515, 1339, 1625, 2155, 2575, 5603, 6695, 10775, 12875, 28015, 33475, 44393, 53875, 140075, 167375, 221965, 577109, 700375, 1109825, 2885545, 5549125, 14427725, 72138625]

約数ペア:

[(1, 72138625), (5, 14427725), (13, 5549125), (25, 2885545), (65, 1109825), (103, 700375), (125, 577109), (325, 221965), (431, 167375), (515, 140075), (1339, 53875), (1625, 44393), (2155, 33475), (2575, 28015), (5603, 12875), (6695, 10775)]