30297040

素因数分解:

$2^4\times 5^1\times {\mathrm{378713}}^1$

素因数の和:378726

約数の個数: 20

約数和(自身を含む): 70440804

約数和(自身を除く): 40143764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 378713, 757426, 1514852, 1893565, 3029704, 3787130, 6059408, 7574260, 15148520, 30297040]

約数ペア:

[(1, 30297040), (2, 15148520), (4, 7574260), (5, 6059408), (8, 3787130), (10, 3029704), (16, 1893565), (20, 1514852), (40, 757426), (80, 378713)]