4375542020

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{562409}}^1$

素因数の和:562807

約数の個数: 24

約数和(自身を含む): 9212275800

約数和(自身を除く): 4836733780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 562409, 1124818, 2249636, 2812045, 5624090, 11248180, 218777101, 437554202, 875108404, 1093885505, 2187771010, 4375542020]

約数ペア:

[(1, 4375542020), (2, 2187771010), (4, 1093885505), (5, 875108404), (10, 437554202), (20, 218777101), (389, 11248180), (778, 5624090), (1556, 2812045), (1945, 2249636), (3890, 1124818), (7780, 562409)]