38471480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15767}}^1$

素因数の和:15839

約数の個数: 32

約数和(自身を含む): 87985440

約数和(自身を除く): 49513960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 15767, 31534, 63068, 78835, 126136, 157670, 315340, 630680, 961787, 1923574, 3847148, 4808935, 7694296, 9617870, 19235740, 38471480]

約数ペア:

[(1, 38471480), (2, 19235740), (4, 9617870), (5, 7694296), (8, 4808935), (10, 3847148), (20, 1923574), (40, 961787), (61, 630680), (122, 315340), (244, 157670), (305, 126136), (488, 78835), (610, 63068), (1220, 31534), (2440, 15767)]