28543780

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3251}}^1$

素因数の和:3699

約数の個数: 24

約数和(自身を含む): 60096960

約数和(自身を除く): 31553180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 3251, 4390, 6502, 8780, 13004, 16255, 32510, 65020, 1427189, 2854378, 5708756, 7135945, 14271890, 28543780]

約数ペア:

[(1, 28543780), (2, 14271890), (4, 7135945), (5, 5708756), (10, 2854378), (20, 1427189), (439, 65020), (878, 32510), (1756, 16255), (2195, 13004), (3251, 8780), (4390, 6502)]