1720207970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{123667}}^1$

素因数の和:123794

約数の個数: 32

約数和(自身を含む): 3365748288

約数和(自身を除く): 1645540318

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 2782, 6955, 13910, 123667, 247334, 618335, 1236670, 1607671, 3215342, 8038355, 13232369, 16076710, 26464738, 66161845, 132323690, 172020797, 344041594, 860103985, 1720207970]

約数ペア:

[(1, 1720207970), (2, 860103985), (5, 344041594), (10, 172020797), (13, 132323690), (26, 66161845), (65, 26464738), (107, 16076710), (130, 13232369), (214, 8038355), (535, 3215342), (1070, 1607671), (1391, 1236670), (2782, 618335), (6955, 247334), (13910, 123667)]