25297000

素因数分解:

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

素因数の和:679

約数の個数: 64

約数和(自身を含む): 60737040

約数和(自身を除く): 35440040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 617, 820, 1000, 1025, 1234, 1640, 2050, 2468, 3085, 4100, 4936, 5125, 6170, 8200, 10250, 12340, 15425, 20500, 24680, 25297, 30850, 41000, 50594, 61700, 77125, 101188, 123400, 126485, 154250, 202376, 252970, 308500, 505940, 617000, 632425, 1011880, 1264850, 2529700, 3162125, 5059400, 6324250, 12648500, 25297000]

約数ペア:

[(1, 25297000), (2, 12648500), (4, 6324250), (5, 5059400), (8, 3162125), (10, 2529700), (20, 1264850), (25, 1011880), (40, 632425), (41, 617000), (50, 505940), (82, 308500), (100, 252970), (125, 202376), (164, 154250), (200, 126485), (205, 123400), (250, 101188), (328, 77125), (410, 61700), (500, 50594), (617, 41000), (820, 30850), (1000, 25297), (1025, 24680), (1234, 20500), (1640, 15425), (2050, 12340), (2468, 10250), (3085, 8200), (4100, 6170), (4936, 5125)]