28319480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101141}}^1$

素因数の和:101159

約数の個数: 32

約数和(自身を含む): 72822240

約数和(自身を除く): 44502760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101141, 202282, 404564, 505705, 707987, 809128, 1011410, 1415974, 2022820, 2831948, 3539935, 4045640, 5663896, 7079870, 14159740, 28319480]

約数ペア:

[(1, 28319480), (2, 14159740), (4, 7079870), (5, 5663896), (7, 4045640), (8, 3539935), (10, 2831948), (14, 2022820), (20, 1415974), (28, 1011410), (35, 809128), (40, 707987), (56, 505705), (70, 404564), (140, 202282), (280, 101141)]