80570920

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2711}}^1$

素因数の和:3465

約数の個数: 32

約数和(自身を含む): 181595520

約数和(自身を除く): 101024600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2711, 2972, 3715, 5422, 5944, 7430, 10844, 13555, 14860, 21688, 27110, 29720, 54220, 108440, 2014273, 4028546, 8057092, 10071365, 16114184, 20142730, 40285460, 80570920]

約数ペア:

[(1, 80570920), (2, 40285460), (4, 20142730), (5, 16114184), (8, 10071365), (10, 8057092), (20, 4028546), (40, 2014273), (743, 108440), (1486, 54220), (2711, 29720), (2972, 27110), (3715, 21688), (5422, 14860), (5944, 13555), (7430, 10844)]