31308140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{50497}}^1$

素因数の和:50537

約数の個数: 24

約数和(自身を含む): 67869312

約数和(自身を除く): 36561172

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 50497, 100994, 201988, 252485, 504970, 1009940, 1565407, 3130814, 6261628, 7827035, 15654070, 31308140]

約数ペア:

[(1, 31308140), (2, 15654070), (4, 7827035), (5, 6261628), (10, 3130814), (20, 1565407), (31, 1009940), (62, 504970), (124, 252485), (155, 201988), (310, 100994), (620, 50497)]