155929040

素因数分解:

$2^4\times 5^1\times {\mathrm{1949113}}^1$

素因数の和:1949126

約数の個数: 20

約数和(自身を含む): 362535204

約数和(自身を除く): 206606164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1949113, 3898226, 7796452, 9745565, 15592904, 19491130, 31185808, 38982260, 77964520, 155929040]

約数ペア:

[(1, 155929040), (2, 77964520), (4, 38982260), (5, 31185808), (8, 19491130), (10, 15592904), (16, 9745565), (20, 7796452), (40, 3898226), (80, 1949113)]