13758440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20233}}^1$

素因数の和:20261

約数の個数: 32

約数和(自身を含む): 32779080

約数和(自身を除く): 19020640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 20233, 40466, 80932, 101165, 161864, 202330, 343961, 404660, 687922, 809320, 1375844, 1719805, 2751688, 3439610, 6879220, 13758440]

約数ペア:

[(1, 13758440), (2, 6879220), (4, 3439610), (5, 2751688), (8, 1719805), (10, 1375844), (17, 809320), (20, 687922), (34, 404660), (40, 343961), (68, 202330), (85, 161864), (136, 101165), (170, 80932), (340, 40466), (680, 20233)]