87472720

素因数分解:

$2^4\times 5^1\times {\mathrm{1093409}}^1$

素因数の和:1093422

約数の個数: 20

約数和(自身を含む): 203374260

約数和(自身を除く): 115901540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1093409, 2186818, 4373636, 5467045, 8747272, 10934090, 17494544, 21868180, 43736360, 87472720]

約数ペア:

[(1, 87472720), (2, 43736360), (4, 21868180), (5, 17494544), (8, 10934090), (10, 8747272), (16, 5467045), (20, 4373636), (40, 2186818), (80, 1093409)]