70720460

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{6947}}^1$

素因数の和:7465

約数の個数: 24

約数和(自身を含む): 148826160

約数和(自身を除く): 78105700

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 6947, 10180, 13894, 27788, 34735, 69470, 138940, 3536023, 7072046, 14144092, 17680115, 35360230, 70720460]

約数ペア:

[(1, 70720460), (2, 35360230), (4, 17680115), (5, 14144092), (10, 7072046), (20, 3536023), (509, 138940), (1018, 69470), (2036, 34735), (2545, 27788), (5090, 13894), (6947, 10180)]