12648500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 28343952

約数和(自身を除く): 15695452

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 617, 820, 1025, 1234, 2050, 2468, 3085, 4100, 5125, 6170, 10250, 12340, 15425, 20500, 25297, 30850, 50594, 61700, 77125, 101188, 126485, 154250, 252970, 308500, 505940, 632425, 1264850, 2529700, 3162125, 6324250, 12648500]

約数ペア:

[(1, 12648500), (2, 6324250), (4, 3162125), (5, 2529700), (10, 1264850), (20, 632425), (25, 505940), (41, 308500), (50, 252970), (82, 154250), (100, 126485), (125, 101188), (164, 77125), (205, 61700), (250, 50594), (410, 30850), (500, 25297), (617, 20500), (820, 15425), (1025, 12340), (1234, 10250), (2050, 6170), (2468, 5125), (3085, 4100)]