85430540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{328579}}^1$

素因数の和:328601

約数の個数: 24

約数和(自身を含む): 193205040

約数和(自身を除く): 107774500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 328579, 657158, 1314316, 1642895, 3285790, 4271527, 6571580, 8543054, 17086108, 21357635, 42715270, 85430540]

約数ペア:

[(1, 85430540), (2, 42715270), (4, 21357635), (5, 17086108), (10, 8543054), (13, 6571580), (20, 4271527), (26, 3285790), (52, 1642895), (65, 1314316), (130, 657158), (260, 328579)]