43420280

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2707}}^1$

素因数の和:3119

約数の個数: 32

約数和(自身を含む): 97975440

約数和(自身を除く): 54555160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 2707, 3208, 4010, 5414, 8020, 10828, 13535, 16040, 21656, 27070, 54140, 108280, 1085507, 2171014, 4342028, 5427535, 8684056, 10855070, 21710140, 43420280]

約数ペア:

[(1, 43420280), (2, 21710140), (4, 10855070), (5, 8684056), (8, 5427535), (10, 4342028), (20, 2171014), (40, 1085507), (401, 108280), (802, 54140), (1604, 27070), (2005, 21656), (2707, 16040), (3208, 13535), (4010, 10828), (5414, 8020)]