166810540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641579}}^1$

素因数の和:641601

約数の個数: 24

約数和(自身を含む): 377249040

約数和(自身を除く): 210438500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 641579, 1283158, 2566316, 3207895, 6415790, 8340527, 12831580, 16681054, 33362108, 41702635, 83405270, 166810540]

約数ペア:

[(1, 166810540), (2, 83405270), (4, 41702635), (5, 33362108), (10, 16681054), (13, 12831580), (20, 8340527), (26, 6415790), (52, 3207895), (65, 2566316), (130, 1283158), (260, 641579)]