78849560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48079}}^1$

素因数の和:48131

約数の個数: 32

約数和(自身を含む): 181742400

約数和(自身を除く): 102892840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 48079, 96158, 192316, 240395, 384632, 480790, 961580, 1923160, 1971239, 3942478, 7884956, 9856195, 15769912, 19712390, 39424780, 78849560]

約数ペア:

[(1, 78849560), (2, 39424780), (4, 19712390), (5, 15769912), (8, 9856195), (10, 7884956), (20, 3942478), (40, 1971239), (41, 1923160), (82, 961580), (164, 480790), (205, 384632), (328, 240395), (410, 192316), (820, 96158), (1640, 48079)]