28253840

素因数分解:

$2^4\times 5^1\times {\mathrm{353173}}^1$

素因数の和:353186

約数の個数: 20

約数和(自身を含む): 65690364

約数和(自身を除く): 37436524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353173, 706346, 1412692, 1765865, 2825384, 3531730, 5650768, 7063460, 14126920, 28253840]

約数ペア:

[(1, 28253840), (2, 14126920), (4, 7063460), (5, 5650768), (8, 3531730), (10, 2825384), (16, 1765865), (20, 1412692), (40, 706346), (80, 353173)]