87908120

素因数分解:

$2^3\times 5^1\times {\mathrm{2197703}}^1$

素因数の和:2197714

約数の個数: 16

約数和(自身を含む): 197793360

約数和(自身を除く): 109885240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2197703, 4395406, 8790812, 10988515, 17581624, 21977030, 43954060, 87908120]

約数ペア:

[(1, 87908120), (2, 43954060), (4, 21977030), (5, 17581624), (8, 10988515), (10, 8790812), (20, 4395406), (40, 2197703)]