28551920

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2063}}^1$

素因数の和:2249

約数の個数: 40

約数和(自身を含む): 66799296

約数和(自身を除く): 38247376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2063, 2768, 3460, 4126, 6920, 8252, 10315, 13840, 16504, 20630, 33008, 41260, 82520, 165040, 356899, 713798, 1427596, 1784495, 2855192, 3568990, 5710384, 7137980, 14275960, 28551920]

約数ペア:

[(1, 28551920), (2, 14275960), (4, 7137980), (5, 5710384), (8, 3568990), (10, 2855192), (16, 1784495), (20, 1427596), (40, 713798), (80, 356899), (173, 165040), (346, 82520), (692, 41260), (865, 33008), (1384, 20630), (1730, 16504), (2063, 13840), (2768, 10315), (3460, 8252), (4126, 6920)]