25306060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7487}}^1$

素因数の和:7522

約数の個数: 36

約数和(自身を含む): 57552768

約数和(自身を除く): 32246708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 7487, 14974, 29948, 37435, 74870, 97331, 149740, 194662, 389324, 486655, 973310, 1265303, 1946620, 2530606, 5061212, 6326515, 12653030, 25306060]

約数ペア:

[(1, 25306060), (2, 12653030), (4, 6326515), (5, 5061212), (10, 2530606), (13, 1946620), (20, 1265303), (26, 973310), (52, 486655), (65, 389324), (130, 194662), (169, 149740), (260, 97331), (338, 74870), (676, 37435), (845, 29948), (1690, 14974), (3380, 7487)]