31941880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{10939}}^1$

素因数の和:11023

約数の個数: 32

約数和(自身を含む): 72860400

約数和(自身を除く): 40918520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 10939, 21878, 43756, 54695, 87512, 109390, 218780, 437560, 798547, 1597094, 3194188, 3992735, 6388376, 7985470, 15970940, 31941880]

約数ペア:

[(1, 31941880), (2, 15970940), (4, 7985470), (5, 6388376), (8, 3992735), (10, 3194188), (20, 1597094), (40, 798547), (73, 437560), (146, 218780), (292, 109390), (365, 87512), (584, 54695), (730, 43756), (1460, 21878), (2920, 10939)]