181284080

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5651}}^1$

素因数の和:6065

約数の個数: 40

約数和(自身を含む): 422611344

約数和(自身を除く): 241327264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 3208, 4010, 5651, 6416, 8020, 11302, 16040, 22604, 28255, 32080, 45208, 56510, 90416, 113020, 226040, 452080, 2266051, 4532102, 9064204, 11330255, 18128408, 22660510, 36256816, 45321020, 90642040, 181284080]

約数ペア:

[(1, 181284080), (2, 90642040), (4, 45321020), (5, 36256816), (8, 22660510), (10, 18128408), (16, 11330255), (20, 9064204), (40, 4532102), (80, 2266051), (401, 452080), (802, 226040), (1604, 113020), (2005, 90416), (3208, 56510), (4010, 45208), (5651, 32080), (6416, 28255), (8020, 22604), (11302, 16040)]