87903280

素因数分解:

$2^4\times 5^1\times {\mathrm{1098791}}^1$

素因数の和:1098804

約数の個数: 20

約数和(自身を含む): 204375312

約数和(自身を除く): 116472032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1098791, 2197582, 4395164, 5493955, 8790328, 10987910, 17580656, 21975820, 43951640, 87903280]

約数ペア:

[(1, 87903280), (2, 43951640), (4, 21975820), (5, 17580656), (8, 10987910), (10, 8790328), (16, 5493955), (20, 4395164), (40, 2197582), (80, 1098791)]