25854820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3581}}^1$

素因数の和:3628

約数の個数: 36

約数和(自身を含む): 57319164

約数和(自身を除く): 31464344

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3581, 3610, 7162, 7220, 14324, 17905, 35810, 68039, 71620, 136078, 272156, 340195, 680390, 1292741, 1360780, 2585482, 5170964, 6463705, 12927410, 25854820]

約数ペア:

[(1, 25854820), (2, 12927410), (4, 6463705), (5, 5170964), (10, 2585482), (19, 1360780), (20, 1292741), (38, 680390), (76, 340195), (95, 272156), (190, 136078), (361, 71620), (380, 68039), (722, 35810), (1444, 17905), (1805, 14324), (3581, 7220), (3610, 7162)]