690950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1063}}^1$

素因数の和:1088

約数の個数: 24

約数和(自身を含む): 1385328

約数和(自身を除く): 694378

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1063, 2126, 5315, 10630, 13819, 26575, 27638, 53150, 69095, 138190, 345475, 690950]

約数ペア:

[(1, 690950), (2, 345475), (5, 138190), (10, 69095), (13, 53150), (25, 27638), (26, 26575), (50, 13819), (65, 10630), (130, 5315), (325, 2126), (650, 1063)]