13858280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5171}}^1$

素因数の和:5249

約数の個数: 32

約数和(自身を含む): 31652640

約数和(自身を除く): 17794360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 5171, 10342, 20684, 25855, 41368, 51710, 103420, 206840, 346457, 692914, 1385828, 1732285, 2771656, 3464570, 6929140, 13858280]

約数ペア:

[(1, 13858280), (2, 6929140), (4, 3464570), (5, 2771656), (8, 1732285), (10, 1385828), (20, 692914), (40, 346457), (67, 206840), (134, 103420), (268, 51710), (335, 41368), (536, 25855), (670, 20684), (1340, 10342), (2680, 5171)]