38917140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{648619}}^1$

素因数の和:648631

約数の個数: 24

約数和(自身を含む): 108968160

約数和(自身を除く): 70051020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 648619, 1297238, 1945857, 2594476, 3243095, 3891714, 6486190, 7783428, 9729285, 12972380, 19458570, 38917140]

約数ペア:

[(1, 38917140), (2, 19458570), (3, 12972380), (4, 9729285), (5, 7783428), (6, 6486190), (10, 3891714), (12, 3243095), (15, 2594476), (20, 1945857), (30, 1297238), (60, 648619)]