2191540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8429}}^1$

素因数の和:8451

約数の個数: 24

約数和(自身を含む): 4956840

約数和(自身を除く): 2765300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8429, 16858, 33716, 42145, 84290, 109577, 168580, 219154, 438308, 547885, 1095770, 2191540]

約数ペア:

[(1, 2191540), (2, 1095770), (4, 547885), (5, 438308), (10, 219154), (13, 168580), (20, 109577), (26, 84290), (52, 42145), (65, 33716), (130, 16858), (260, 8429)]