28397800

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{1327}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 66692160

約数和(自身を除く): 38294360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 856, 1070, 1327, 2140, 2654, 2675, 4280, 5308, 5350, 6635, 10616, 10700, 13270, 21400, 26540, 33175, 53080, 66350, 132700, 141989, 265400, 283978, 567956, 709945, 1135912, 1419890, 2839780, 3549725, 5679560, 7099450, 14198900, 28397800]

約数ペア:

[(1, 28397800), (2, 14198900), (4, 7099450), (5, 5679560), (8, 3549725), (10, 2839780), (20, 1419890), (25, 1135912), (40, 709945), (50, 567956), (100, 283978), (107, 265400), (200, 141989), (214, 132700), (428, 66350), (535, 53080), (856, 33175), (1070, 26540), (1327, 21400), (2140, 13270), (2654, 10700), (2675, 10616), (4280, 6635), (5308, 5350)]