85820980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{613007}}^1$

素因数の和:613023

約数の個数: 24

約数和(自身を含む): 205970688

約数和(自身を除く): 120149708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 613007, 1226014, 2452028, 3065035, 4291049, 6130070, 8582098, 12260140, 17164196, 21455245, 42910490, 85820980]

約数ペア:

[(1, 85820980), (2, 42910490), (4, 21455245), (5, 17164196), (7, 12260140), (10, 8582098), (14, 6130070), (20, 4291049), (28, 3065035), (35, 2452028), (70, 1226014), (140, 613007)]