13218580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7963}}^1$

素因数の和:8055

約数の個数: 24

約数和(自身を含む): 28096992

約数和(自身を除く): 14878412

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 7963, 15926, 31852, 39815, 79630, 159260, 660929, 1321858, 2643716, 3304645, 6609290, 13218580]

約数ペア:

[(1, 13218580), (2, 6609290), (4, 3304645), (5, 2643716), (10, 1321858), (20, 660929), (83, 159260), (166, 79630), (332, 39815), (415, 31852), (830, 15926), (1660, 7963)]