71728880

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5009}}^1$

素因数の和:5201

約数の個数: 40

約数和(自身を含む): 167734800

約数和(自身を除く): 96005920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 5009, 7160, 10018, 14320, 20036, 25045, 40072, 50090, 80144, 100180, 200360, 400720, 896611, 1793222, 3586444, 4483055, 7172888, 8966110, 14345776, 17932220, 35864440, 71728880]

約数ペア:

[(1, 71728880), (2, 35864440), (4, 17932220), (5, 14345776), (8, 8966110), (10, 7172888), (16, 4483055), (20, 3586444), (40, 1793222), (80, 896611), (179, 400720), (358, 200360), (716, 100180), (895, 80144), (1432, 50090), (1790, 40072), (2864, 25045), (3580, 20036), (5009, 14320), (7160, 10018)]