31190320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55697}}^1$

素因数の和:55717

約数の個数: 40

約数和(自身を含む): 82878624

約数和(自身を除く): 51688304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55697, 111394, 222788, 278485, 389879, 445576, 556970, 779758, 891152, 1113940, 1559516, 1949395, 2227880, 3119032, 3898790, 4455760, 6238064, 7797580, 15595160, 31190320]

約数ペア:

[(1, 31190320), (2, 15595160), (4, 7797580), (5, 6238064), (7, 4455760), (8, 3898790), (10, 3119032), (14, 2227880), (16, 1949395), (20, 1559516), (28, 1113940), (35, 891152), (40, 779758), (56, 556970), (70, 445576), (80, 389879), (112, 278485), (140, 222788), (280, 111394), (560, 55697)]