27979120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26903}}^1$

素因数の和:26929

約数の個数: 40

約数和(自身を含む): 70058016

約数和(自身を除く): 42078896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26903, 53806, 107612, 134515, 215224, 269030, 349739, 430448, 538060, 699478, 1076120, 1398956, 1748695, 2152240, 2797912, 3497390, 5595824, 6994780, 13989560, 27979120]

約数ペア:

[(1, 27979120), (2, 13989560), (4, 6994780), (5, 5595824), (8, 3497390), (10, 2797912), (13, 2152240), (16, 1748695), (20, 1398956), (26, 1076120), (40, 699478), (52, 538060), (65, 430448), (80, 349739), (104, 269030), (130, 215224), (208, 134515), (260, 107612), (520, 53806), (1040, 26903)]