30984920

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1151}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 69880320

約数和(自身を除く): 38895400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1151, 1346, 2302, 2692, 3365, 4604, 5384, 5755, 6730, 9208, 11510, 13460, 23020, 26920, 46040, 774623, 1549246, 3098492, 3873115, 6196984, 7746230, 15492460, 30984920]

約数ペア:

[(1, 30984920), (2, 15492460), (4, 7746230), (5, 6196984), (8, 3873115), (10, 3098492), (20, 1549246), (40, 774623), (673, 46040), (1151, 26920), (1346, 23020), (2302, 13460), (2692, 11510), (3365, 9208), (4604, 6730), (5384, 5755)]