80296220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1009}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 177145920

約数和(自身を除く): 96849700

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 173, 230, 346, 460, 692, 865, 1009, 1730, 2018, 3460, 3979, 4036, 5045, 7958, 10090, 15916, 19895, 20180, 23207, 39790, 46414, 79580, 92828, 116035, 174557, 232070, 349114, 464140, 698228, 872785, 1745570, 3491140, 4014811, 8029622, 16059244, 20074055, 40148110, 80296220]

約数ペア:

[(1, 80296220), (2, 40148110), (4, 20074055), (5, 16059244), (10, 8029622), (20, 4014811), (23, 3491140), (46, 1745570), (92, 872785), (115, 698228), (173, 464140), (230, 349114), (346, 232070), (460, 174557), (692, 116035), (865, 92828), (1009, 79580), (1730, 46414), (2018, 39790), (3460, 23207), (3979, 20180), (4036, 19895), (5045, 15916), (7958, 10090)]