62140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 141120

約数和(自身を除く): 78980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1195, 2390, 3107, 4780, 6214, 12428, 15535, 31070, 62140]

約数ペア:

[(1, 62140), (2, 31070), (4, 15535), (5, 12428), (10, 6214), (13, 4780), (20, 3107), (26, 2390), (52, 1195), (65, 956), (130, 478), (239, 260)]