1618374640

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{36319}}^1$

素因数の和:36889

約数の個数: 40

約数和(自身を含む): 3769580160

約数和(自身を除く): 2151205520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 4456, 5570, 8912, 11140, 22280, 36319, 44560, 72638, 145276, 181595, 290552, 363190, 581104, 726380, 1452760, 2905520, 20229683, 40459366, 80918732, 101148415, 161837464, 202296830, 323674928, 404593660, 809187320, 1618374640]

約数ペア:

[(1, 1618374640), (2, 809187320), (4, 404593660), (5, 323674928), (8, 202296830), (10, 161837464), (16, 101148415), (20, 80918732), (40, 40459366), (80, 20229683), (557, 2905520), (1114, 1452760), (2228, 726380), (2785, 581104), (4456, 363190), (5570, 290552), (8912, 181595), (11140, 145276), (22280, 72638), (36319, 44560)]