27990950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43063}}^1$

素因数の和:43088

約数の個数: 24

約数和(自身を含む): 56069328

約数和(自身を除く): 28078378

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 43063, 86126, 215315, 430630, 559819, 1076575, 1119638, 2153150, 2799095, 5598190, 13995475, 27990950]

約数ペア:

[(1, 27990950), (2, 13995475), (5, 5598190), (10, 2799095), (13, 2153150), (25, 1119638), (26, 1076575), (50, 559819), (65, 430630), (130, 215315), (325, 86126), (650, 43063)]