8259400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 19546740

約数和(自身を除く): 11287340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 677, 1220, 1354, 1525, 2440, 2708, 3050, 3385, 5416, 6100, 6770, 12200, 13540, 16925, 27080, 33850, 41297, 67700, 82594, 135400, 165188, 206485, 330376, 412970, 825940, 1032425, 1651880, 2064850, 4129700, 8259400]

約数ペア:

[(1, 8259400), (2, 4129700), (4, 2064850), (5, 1651880), (8, 1032425), (10, 825940), (20, 412970), (25, 330376), (40, 206485), (50, 165188), (61, 135400), (100, 82594), (122, 67700), (200, 41297), (244, 33850), (305, 27080), (488, 16925), (610, 13540), (677, 12200), (1220, 6770), (1354, 6100), (1525, 5416), (2440, 3385), (2708, 3050)]