78904780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{47533}}^1$

素因数の和:47625

約数の個数: 24

約数和(自身を含む): 167699952

約数和(自身を除く): 88795172

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 47533, 95066, 190132, 237665, 475330, 950660, 3945239, 7890478, 15780956, 19726195, 39452390, 78904780]

約数ペア:

[(1, 78904780), (2, 39452390), (4, 19726195), (5, 15780956), (10, 7890478), (20, 3945239), (83, 950660), (166, 475330), (332, 237665), (415, 190132), (830, 95066), (1660, 47533)]