51048340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2237}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 123322752

約数和(自身を除く): 72274412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2237, 2282, 3260, 4474, 4564, 5705, 8948, 11185, 11410, 15659, 22370, 22820, 31318, 44740, 62636, 78295, 156590, 313180, 364631, 729262, 1458524, 1823155, 2552417, 3646310, 5104834, 7292620, 10209668, 12762085, 25524170, 51048340]

約数ペア:

[(1, 51048340), (2, 25524170), (4, 12762085), (5, 10209668), (7, 7292620), (10, 5104834), (14, 3646310), (20, 2552417), (28, 1823155), (35, 1458524), (70, 729262), (140, 364631), (163, 313180), (326, 156590), (652, 78295), (815, 62636), (1141, 44740), (1630, 31318), (2237, 22820), (2282, 22370), (3260, 15659), (4474, 11410), (4564, 11185), (5705, 8948)]