80347700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{19597}}^1$

素因数の和:19652

約数の個数: 36

約数和(自身を含む): 178616172

約数和(自身を除く): 98268472

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 19597, 39194, 78388, 97985, 195970, 391940, 489925, 803477, 979850, 1606954, 1959700, 3213908, 4017385, 8034770, 16069540, 20086925, 40173850, 80347700]

約数ペア:

[(1, 80347700), (2, 40173850), (4, 20086925), (5, 16069540), (10, 8034770), (20, 4017385), (25, 3213908), (41, 1959700), (50, 1606954), (82, 979850), (100, 803477), (164, 489925), (205, 391940), (410, 195970), (820, 97985), (1025, 78388), (2050, 39194), (4100, 19597)]