13006420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1523}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 31747968

約数和(自身を除く): 18741548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1523, 1708, 2135, 3046, 4270, 6092, 7615, 8540, 10661, 15230, 21322, 30460, 42644, 53305, 92903, 106610, 185806, 213220, 371612, 464515, 650321, 929030, 1300642, 1858060, 2601284, 3251605, 6503210, 13006420]

約数ペア:

[(1, 13006420), (2, 6503210), (4, 3251605), (5, 2601284), (7, 1858060), (10, 1300642), (14, 929030), (20, 650321), (28, 464515), (35, 371612), (61, 213220), (70, 185806), (122, 106610), (140, 92903), (244, 53305), (305, 42644), (427, 30460), (610, 21322), (854, 15230), (1220, 10661), (1523, 8540), (1708, 7615), (2135, 6092), (3046, 4270)]