12784070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3391}}^1$

素因数の和:3440

約数の個数: 32

約数和(自身を含む): 25643520

約数和(自身を除く): 12859450

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3391, 3770, 6782, 16955, 33910, 44083, 88166, 98339, 196678, 220415, 440830, 491695, 983390, 1278407, 2556814, 6392035, 12784070]

約数ペア:

[(1, 12784070), (2, 6392035), (5, 2556814), (10, 1278407), (13, 983390), (26, 491695), (29, 440830), (58, 220415), (65, 196678), (130, 98339), (145, 88166), (290, 44083), (377, 33910), (754, 16955), (1885, 6782), (3391, 3770)]