30560140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{117539}}^1$

素因数の和:117561

約数の個数: 24

約数和(自身を含む): 69113520

約数和(自身を除く): 38553380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 117539, 235078, 470156, 587695, 1175390, 1528007, 2350780, 3056014, 6112028, 7640035, 15280070, 30560140]

約数ペア:

[(1, 30560140), (2, 15280070), (4, 7640035), (5, 6112028), (10, 3056014), (13, 2350780), (20, 1528007), (26, 1175390), (52, 587695), (65, 470156), (130, 235078), (260, 117539)]