81307400

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5569}}^1$

素因数の和:5658

約数の個数: 48

約数和(自身を含む): 191663700

約数和(自身を除く): 110356300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 200, 292, 365, 584, 730, 1460, 1825, 2920, 3650, 5569, 7300, 11138, 14600, 22276, 27845, 44552, 55690, 111380, 139225, 222760, 278450, 406537, 556900, 813074, 1113800, 1626148, 2032685, 3252296, 4065370, 8130740, 10163425, 16261480, 20326850, 40653700, 81307400]

約数ペア:

[(1, 81307400), (2, 40653700), (4, 20326850), (5, 16261480), (8, 10163425), (10, 8130740), (20, 4065370), (25, 3252296), (40, 2032685), (50, 1626148), (73, 1113800), (100, 813074), (146, 556900), (200, 406537), (292, 278450), (365, 222760), (584, 139225), (730, 111380), (1460, 55690), (1825, 44552), (2920, 27845), (3650, 22276), (5569, 14600), (7300, 11138)]