2640544505

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{5441}}^1$

素因数の和:5609

約数の個数: 24

約数和(自身を含む): 3307190472

約数和(自身を除く): 666645967

約数列:

[1, 5, 31, 101, 155, 505, 961, 3131, 4805, 5441, 15655, 27205, 97061, 168671, 485305, 549541, 843355, 2747705, 5228801, 17035771, 26144005, 85178855, 528108901, 2640544505]

約数ペア:

[(1, 2640544505), (5, 528108901), (31, 85178855), (101, 26144005), (155, 17035771), (505, 5228801), (961, 2747705), (3131, 843355), (4805, 549541), (5441, 485305), (15655, 168671), (27205, 97061)]