4008616720

素因数分解:

$2^4\times 5^1\times {\mathrm{50107709}}^1$

素因数の和:50107722

約数の個数: 20

約数和(自身を含む): 9320034060

約数和(自身を除く): 5311417340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50107709, 100215418, 200430836, 250538545, 400861672, 501077090, 801723344, 1002154180, 2004308360, 4008616720]

約数ペア:

[(1, 4008616720), (2, 2004308360), (4, 1002154180), (5, 801723344), (8, 501077090), (10, 400861672), (16, 250538545), (20, 200430836), (40, 100215418), (80, 50107709)]