87468460

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21977}}^1$

素因数の和:22185

約数の個数: 24

約数和(自身を含む): 184615200

約数和(自身を除く): 97146740

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 21977, 43954, 87908, 109885, 219770, 439540, 4373423, 8746846, 17493692, 21867115, 43734230, 87468460]

約数ペア:

[(1, 87468460), (2, 43734230), (4, 21867115), (5, 17493692), (10, 8746846), (20, 4373423), (199, 439540), (398, 219770), (796, 109885), (995, 87908), (1990, 43954), (3980, 21977)]