101964560

素因数分解:

$2^4\times 5^1\times {\mathrm{1274557}}^1$

素因数の和:1274570

約数の個数: 20

約数和(自身を含む): 237067788

約数和(自身を除く): 135103228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1274557, 2549114, 5098228, 6372785, 10196456, 12745570, 20392912, 25491140, 50982280, 101964560]

約数ペア:

[(1, 101964560), (2, 50982280), (4, 25491140), (5, 20392912), (8, 12745570), (10, 10196456), (16, 6372785), (20, 5098228), (40, 2549114), (80, 1274557)]