12759400

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 29953440

約数和(自身を除く): 17194040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 487, 524, 655, 974, 1048, 1310, 1948, 2435, 2620, 3275, 3896, 4870, 5240, 6550, 9740, 12175, 13100, 19480, 24350, 26200, 48700, 63797, 97400, 127594, 255188, 318985, 510376, 637970, 1275940, 1594925, 2551880, 3189850, 6379700, 12759400]

約数ペア:

[(1, 12759400), (2, 6379700), (4, 3189850), (5, 2551880), (8, 1594925), (10, 1275940), (20, 637970), (25, 510376), (40, 318985), (50, 255188), (100, 127594), (131, 97400), (200, 63797), (262, 48700), (487, 26200), (524, 24350), (655, 19480), (974, 13100), (1048, 12175), (1310, 9740), (1948, 6550), (2435, 5240), (2620, 4870), (3275, 3896)]