64574125060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{78748933}}^1$

素因数の和:78748983

約数の個数: 24

約数和(自身を含む): 138913119576

約数和(自身を除く): 74338994516

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 78748933, 157497866, 314995732, 393744665, 787489330, 1574978660, 3228706253, 6457412506, 12914825012, 16143531265, 32287062530, 64574125060]

約数ペア:

[(1, 64574125060), (2, 32287062530), (4, 16143531265), (5, 12914825012), (10, 6457412506), (20, 3228706253), (41, 1574978660), (82, 787489330), (164, 393744665), (205, 314995732), (410, 157497866), (820, 78748933)]