85871120

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2423}}^1$

素因数の和:2879

約数の個数: 40

約数和(自身を含む): 200183616

約数和(自身を除く): 114312496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 2423, 3544, 4430, 4846, 7088, 8860, 9692, 12115, 17720, 19384, 24230, 35440, 38768, 48460, 96920, 193840, 1073389, 2146778, 4293556, 5366945, 8587112, 10733890, 17174224, 21467780, 42935560, 85871120]

約数ペア:

[(1, 85871120), (2, 42935560), (4, 21467780), (5, 17174224), (8, 10733890), (10, 8587112), (16, 5366945), (20, 4293556), (40, 2146778), (80, 1073389), (443, 193840), (886, 96920), (1772, 48460), (2215, 38768), (2423, 35440), (3544, 24230), (4430, 19384), (4846, 17720), (7088, 12115), (8860, 9692)]