15378280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9377}}^1$

素因数の和:9429

約数の個数: 32

約数和(自身を含む): 35448840

約数和(自身を除く): 20070560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9377, 18754, 37508, 46885, 75016, 93770, 187540, 375080, 384457, 768914, 1537828, 1922285, 3075656, 3844570, 7689140, 15378280]

約数ペア:

[(1, 15378280), (2, 7689140), (4, 3844570), (5, 3075656), (8, 1922285), (10, 1537828), (20, 768914), (40, 384457), (41, 375080), (82, 187540), (164, 93770), (205, 75016), (328, 46885), (410, 37508), (820, 18754), (1640, 9377)]