64439620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2543}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 155570688

約数和(自身を除く): 91131068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 2543, 3620, 5068, 5086, 6335, 10172, 12670, 12715, 17801, 25340, 25430, 35602, 50860, 71204, 89005, 178010, 356020, 460283, 920566, 1841132, 2301415, 3221981, 4602830, 6443962, 9205660, 12887924, 16109905, 32219810, 64439620]

約数ペア:

[(1, 64439620), (2, 32219810), (4, 16109905), (5, 12887924), (7, 9205660), (10, 6443962), (14, 4602830), (20, 3221981), (28, 2301415), (35, 1841132), (70, 920566), (140, 460283), (181, 356020), (362, 178010), (724, 89005), (905, 71204), (1267, 50860), (1810, 35602), (2534, 25430), (2543, 25340), (3620, 17801), (5068, 12715), (5086, 12670), (6335, 10172)]