12420531880

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1\times {\mathrm{4241}}^1$

素因数の和:4810

約数の個数: 64

約数和(自身を含む): 28166201280

約数和(自身を除く): 15745669400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 347, 422, 694, 844, 1055, 1388, 1688, 1735, 2110, 2776, 3470, 4220, 4241, 6940, 8440, 8482, 13880, 16964, 21205, 33928, 42410, 73217, 84820, 146434, 169640, 292868, 366085, 585736, 732170, 894851, 1464340, 1471627, 1789702, 2928680, 2943254, 3579404, 4474255, 5886508, 7158808, 7358135, 8948510, 11773016, 14716270, 17897020, 29432540, 35794040, 58865080, 310513297, 621026594, 1242053188, 1552566485, 2484106376, 3105132970, 6210265940, 12420531880]

約数ペア:

[(1, 12420531880), (2, 6210265940), (4, 3105132970), (5, 2484106376), (8, 1552566485), (10, 1242053188), (20, 621026594), (40, 310513297), (211, 58865080), (347, 35794040), (422, 29432540), (694, 17897020), (844, 14716270), (1055, 11773016), (1388, 8948510), (1688, 7358135), (1735, 7158808), (2110, 5886508), (2776, 4474255), (3470, 3579404), (4220, 2943254), (4241, 2928680), (6940, 1789702), (8440, 1471627), (8482, 1464340), (13880, 894851), (16964, 732170), (21205, 585736), (33928, 366085), (42410, 292868), (73217, 169640), (84820, 146434)]