2017160

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 4579200

約数和(自身を除く): 2562040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 239, 422, 478, 844, 956, 1055, 1195, 1688, 1912, 2110, 2390, 4220, 4780, 8440, 9560, 50429, 100858, 201716, 252145, 403432, 504290, 1008580, 2017160]

約数ペア:

[(1, 2017160), (2, 1008580), (4, 504290), (5, 403432), (8, 252145), (10, 201716), (20, 100858), (40, 50429), (211, 9560), (239, 8440), (422, 4780), (478, 4220), (844, 2390), (956, 2110), (1055, 1912), (1195, 1688)]