2220140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8539}}^1$

素因数の和:8561

約数の個数: 24

約数和(自身を含む): 5021520

約数和(自身を除く): 2801380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8539, 17078, 34156, 42695, 85390, 111007, 170780, 222014, 444028, 555035, 1110070, 2220140]

約数ペア:

[(1, 2220140), (2, 1110070), (4, 555035), (5, 444028), (10, 222014), (13, 170780), (20, 111007), (26, 85390), (52, 42695), (65, 34156), (130, 17078), (260, 8539)]