28103840

素因数分解:

$2^5\times 5^1\times {\mathrm{175649}}^1$

素因数の和:175664

約数の個数: 24

約数和(自身を含む): 66395700

約数和(自身を除く): 38291860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 175649, 351298, 702596, 878245, 1405192, 1756490, 2810384, 3512980, 5620768, 7025960, 14051920, 28103840]

約数ペア:

[(1, 28103840), (2, 14051920), (4, 7025960), (5, 5620768), (8, 3512980), (10, 2810384), (16, 1756490), (20, 1405192), (32, 878245), (40, 702596), (80, 351298), (160, 175649)]