810680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 1965600

約数和(自身を除く): 1154920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1559, 3118, 6236, 7795, 12472, 15590, 20267, 31180, 40534, 62360, 81068, 101335, 162136, 202670, 405340, 810680]

約数ペア:

[(1, 810680), (2, 405340), (4, 202670), (5, 162136), (8, 101335), (10, 81068), (13, 62360), (20, 40534), (26, 31180), (40, 20267), (52, 15590), (65, 12472), (104, 7795), (130, 6236), (260, 3118), (520, 1559)]