2720425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 3689496

約数和(自身を除く): 969071

約数列:

[1, 5, 17, 25, 37, 85, 173, 185, 425, 629, 865, 925, 2941, 3145, 4325, 6401, 14705, 15725, 32005, 73525, 108817, 160025, 544085, 2720425]

約数ペア:

[(1, 2720425), (5, 544085), (17, 160025), (25, 108817), (37, 73525), (85, 32005), (173, 15725), (185, 14705), (425, 6401), (629, 4325), (865, 3145), (925, 2941)]