27155720

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1693}}^1$

素因数の和:2105

約数の個数: 32

約数和(自身を含む): 61288920

約数和(自身を除く): 34133200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 1693, 2005, 3208, 3386, 4010, 6772, 8020, 8465, 13544, 16040, 16930, 33860, 67720, 678893, 1357786, 2715572, 3394465, 5431144, 6788930, 13577860, 27155720]

約数ペア:

[(1, 27155720), (2, 13577860), (4, 6788930), (5, 5431144), (8, 3394465), (10, 2715572), (20, 1357786), (40, 678893), (401, 67720), (802, 33860), (1604, 16930), (1693, 16040), (2005, 13544), (3208, 8465), (3386, 8020), (4010, 6772)]