31923140

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1973}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 67155480

約数和(自身を除く): 35232340

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 1973, 3236, 3946, 4045, 7892, 8090, 9865, 16180, 19730, 39460, 1596157, 3192314, 6384628, 7980785, 15961570, 31923140]

約数ペア:

[(1, 31923140), (2, 15961570), (4, 7980785), (5, 6384628), (10, 3192314), (20, 1596157), (809, 39460), (1618, 19730), (1973, 16180), (3236, 9865), (3946, 8090), (4045, 7892)]