159139480

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3943}}^1$

素因数の和:4963

約数の個数: 32

約数和(自身を含む): 358509600

約数和(自身を除く): 199370120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 3943, 4036, 5045, 7886, 8072, 10090, 15772, 19715, 20180, 31544, 39430, 40360, 78860, 157720, 3978487, 7956974, 15913948, 19892435, 31827896, 39784870, 79569740, 159139480]

約数ペア:

[(1, 159139480), (2, 79569740), (4, 39784870), (5, 31827896), (8, 19892435), (10, 15913948), (20, 7956974), (40, 3978487), (1009, 157720), (2018, 78860), (3943, 40360), (4036, 39430), (5045, 31544), (7886, 20180), (8072, 19715), (10090, 15772)]