26778980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3709}}^1$

素因数の和:3756

約数の個数: 36

約数和(自身を含む): 59367420

約数和(自身を除く): 32588440

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 3709, 7220, 7418, 14836, 18545, 37090, 70471, 74180, 140942, 281884, 352355, 704710, 1338949, 1409420, 2677898, 5355796, 6694745, 13389490, 26778980]

約数ペア:

[(1, 26778980), (2, 13389490), (4, 6694745), (5, 5355796), (10, 2677898), (19, 1409420), (20, 1338949), (38, 704710), (76, 352355), (95, 281884), (190, 140942), (361, 74180), (380, 70471), (722, 37090), (1444, 18545), (1805, 14836), (3610, 7418), (3709, 7220)]