920140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3539}}^1$

素因数の和:3561

約数の個数: 24

約数和(自身を含む): 2081520

約数和(自身を除く): 1161380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3539, 7078, 14156, 17695, 35390, 46007, 70780, 92014, 184028, 230035, 460070, 920140]

約数ペア:

[(1, 920140), (2, 460070), (4, 230035), (5, 184028), (10, 92014), (13, 70780), (20, 46007), (26, 35390), (52, 17695), (65, 14156), (130, 7078), (260, 3539)]