25161800

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1297}}^1$

素因数の和:1410

約数の個数: 48

約数和(自身を含む): 59149860

約数和(自身を除く): 33988060

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1297, 1940, 2425, 2594, 3880, 4850, 5188, 6485, 9700, 10376, 12970, 19400, 25940, 32425, 51880, 64850, 125809, 129700, 251618, 259400, 503236, 629045, 1006472, 1258090, 2516180, 3145225, 5032360, 6290450, 12580900, 25161800]

約数ペア:

[(1, 25161800), (2, 12580900), (4, 6290450), (5, 5032360), (8, 3145225), (10, 2516180), (20, 1258090), (25, 1006472), (40, 629045), (50, 503236), (97, 259400), (100, 251618), (194, 129700), (200, 125809), (388, 64850), (485, 51880), (776, 32425), (970, 25940), (1297, 19400), (1940, 12970), (2425, 10376), (2594, 9700), (3880, 6485), (4850, 5188)]