39318440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{140423}}^1$

素因数の和:140441

約数の個数: 32

約数和(自身を含む): 101105280

約数和(自身を除く): 61786840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 140423, 280846, 561692, 702115, 982961, 1123384, 1404230, 1965922, 2808460, 3931844, 4914805, 5616920, 7863688, 9829610, 19659220, 39318440]

約数ペア:

[(1, 39318440), (2, 19659220), (4, 9829610), (5, 7863688), (7, 5616920), (8, 4914805), (10, 3931844), (14, 2808460), (20, 1965922), (28, 1404230), (35, 1123384), (40, 982961), (56, 702115), (70, 561692), (140, 280846), (280, 140423)]