27688520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4409}}^1$

素因数の和:4577

約数の個数: 32

約数和(自身を含む): 62710200

約数和(自身を除く): 35021680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 4409, 6280, 8818, 17636, 22045, 35272, 44090, 88180, 176360, 692213, 1384426, 2768852, 3461065, 5537704, 6922130, 13844260, 27688520]

約数ペア:

[(1, 27688520), (2, 13844260), (4, 6922130), (5, 5537704), (8, 3461065), (10, 2768852), (20, 1384426), (40, 692213), (157, 176360), (314, 88180), (628, 44090), (785, 35272), (1256, 22045), (1570, 17636), (3140, 8818), (4409, 6280)]