26788760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10979}}^1$

素因数の和:11051

約数の個数: 32

約数和(自身を含む): 61268400

約数和(自身を除く): 34479640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10979, 21958, 43916, 54895, 87832, 109790, 219580, 439160, 669719, 1339438, 2678876, 3348595, 5357752, 6697190, 13394380, 26788760]

約数ペア:

[(1, 26788760), (2, 13394380), (4, 6697190), (5, 5357752), (8, 3348595), (10, 2678876), (20, 1339438), (40, 669719), (61, 439160), (122, 219580), (244, 109790), (305, 87832), (488, 54895), (610, 43916), (1220, 21958), (2440, 10979)]