39762520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{20287}}^1$

素因数の和:20312

約数の個数: 48

約数和(自身を含む): 104077440

約数和(自身を除く): 64314920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 20287, 40574, 81148, 101435, 142009, 162296, 202870, 284018, 405740, 568036, 710045, 811480, 994063, 1136072, 1420090, 1988126, 2840180, 3976252, 4970315, 5680360, 7952504, 9940630, 19881260, 39762520]

約数ペア:

[(1, 39762520), (2, 19881260), (4, 9940630), (5, 7952504), (7, 5680360), (8, 4970315), (10, 3976252), (14, 2840180), (20, 1988126), (28, 1420090), (35, 1136072), (40, 994063), (49, 811480), (56, 710045), (70, 568036), (98, 405740), (140, 284018), (196, 202870), (245, 162296), (280, 142009), (392, 101435), (490, 81148), (980, 40574), (1960, 20287)]