31305440

素因数分解:

$2^5\times 5^1\times {\mathrm{195659}}^1$

素因数の和:195674

約数の個数: 24

約数和(自身を含む): 73959480

約数和(自身を除く): 42654040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 195659, 391318, 782636, 978295, 1565272, 1956590, 3130544, 3913180, 6261088, 7826360, 15652720, 31305440]

約数ペア:

[(1, 31305440), (2, 15652720), (4, 7826360), (5, 6261088), (8, 3913180), (10, 3130544), (16, 1956590), (20, 1565272), (32, 978295), (40, 782636), (80, 391318), (160, 195659)]