2081690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 4112640

約数和(自身を除く): 2030950

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 239, 335, 478, 670, 871, 1195, 1742, 2390, 3107, 4355, 6214, 8710, 15535, 16013, 31070, 32026, 80065, 160130, 208169, 416338, 1040845, 2081690]

約数ペア:

[(1, 2081690), (2, 1040845), (5, 416338), (10, 208169), (13, 160130), (26, 80065), (65, 32026), (67, 31070), (130, 16013), (134, 15535), (239, 8710), (335, 6214), (478, 4355), (670, 3107), (871, 2390), (1195, 1742)]