38454420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{640907}}^1$

素因数の和:640919

約数の個数: 24

約数和(自身を含む): 107672544

約数和(自身を除く): 69218124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 640907, 1281814, 1922721, 2563628, 3204535, 3845442, 6409070, 7690884, 9613605, 12818140, 19227210, 38454420]

約数ペア:

[(1, 38454420), (2, 19227210), (3, 12818140), (4, 9613605), (5, 7690884), (6, 6409070), (10, 3845442), (12, 3204535), (15, 2563628), (20, 1922721), (30, 1281814), (60, 640907)]