25239400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1301}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 59332140

約数和(自身を除く): 34092740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1301, 1940, 2425, 2602, 3880, 4850, 5204, 6505, 9700, 10408, 13010, 19400, 26020, 32525, 52040, 65050, 126197, 130100, 252394, 260200, 504788, 630985, 1009576, 1261970, 2523940, 3154925, 5047880, 6309850, 12619700, 25239400]

約数ペア:

[(1, 25239400), (2, 12619700), (4, 6309850), (5, 5047880), (8, 3154925), (10, 2523940), (20, 1261970), (25, 1009576), (40, 630985), (50, 504788), (97, 260200), (100, 252394), (194, 130100), (200, 126197), (388, 65050), (485, 52040), (776, 32525), (970, 26020), (1301, 19400), (1940, 13010), (2425, 10408), (2602, 9700), (3880, 6505), (4850, 5204)]