2991940240

素因数分解:

$2^4\times 5^1\times {\mathrm{37399253}}^1$

素因数の和:37399266

約数の個数: 20

約数和(自身を含む): 6956261244

約数和(自身を除く): 3964321004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 37399253, 74798506, 149597012, 186996265, 299194024, 373992530, 598388048, 747985060, 1495970120, 2991940240]

約数ペア:

[(1, 2991940240), (2, 1495970120), (4, 747985060), (5, 598388048), (8, 373992530), (10, 299194024), (16, 186996265), (20, 149597012), (40, 74798506), (80, 37399253)]