39355540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2579}}^1$

素因数の和:2704

約数の個数: 48

約数和(自身を含む): 95356800

約数和(自身を除く): 56001260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 2579, 3052, 3815, 5158, 7630, 10316, 12895, 15260, 18053, 25790, 36106, 51580, 72212, 90265, 180530, 281111, 361060, 562222, 1124444, 1405555, 1967777, 2811110, 3935554, 5622220, 7871108, 9838885, 19677770, 39355540]

約数ペア:

[(1, 39355540), (2, 19677770), (4, 9838885), (5, 7871108), (7, 5622220), (10, 3935554), (14, 2811110), (20, 1967777), (28, 1405555), (35, 1124444), (70, 562222), (109, 361060), (140, 281111), (218, 180530), (436, 90265), (545, 72212), (763, 51580), (1090, 36106), (1526, 25790), (2180, 18053), (2579, 15260), (3052, 12895), (3815, 10316), (5158, 7630)]