39520975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{439}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 53086880

約数和(自身を除く): 13565905

約数列:

[1, 5, 13, 25, 65, 277, 325, 439, 1385, 2195, 3601, 5707, 6925, 10975, 18005, 28535, 90025, 121603, 142675, 608015, 1580839, 3040075, 7904195, 39520975]

約数ペア:

[(1, 39520975), (5, 7904195), (13, 3040075), (25, 1580839), (65, 608015), (277, 142675), (325, 121603), (439, 90025), (1385, 28535), (2195, 18005), (3601, 10975), (5707, 6925)]