2578810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 5080320

約数和(自身を除く): 2501510

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 239, 415, 478, 830, 1079, 1195, 2158, 2390, 3107, 5395, 6214, 10790, 15535, 19837, 31070, 39674, 99185, 198370, 257881, 515762, 1289405, 2578810]

約数ペア:

[(1, 2578810), (2, 1289405), (5, 515762), (10, 257881), (13, 198370), (26, 99185), (65, 39674), (83, 31070), (130, 19837), (166, 15535), (239, 10790), (415, 6214), (478, 5395), (830, 3107), (1079, 2390), (1195, 2158)]