157960960

素因数分解:

$2^8\times 5^1\times {\mathrm{123407}}^1$

素因数の和:123428

約数の個数: 36

約数和(自身を含む): 378368928

約数和(自身を除く): 220407968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 123407, 246814, 493628, 617035, 987256, 1234070, 1974512, 2468140, 3949024, 4936280, 7898048, 9872560, 15796096, 19745120, 31592192, 39490240, 78980480, 157960960]

約数ペア:

[(1, 157960960), (2, 78980480), (4, 39490240), (5, 31592192), (8, 19745120), (10, 15796096), (16, 9872560), (20, 7898048), (32, 4936280), (40, 3949024), (64, 2468140), (80, 1974512), (128, 1234070), (160, 987256), (256, 617035), (320, 493628), (640, 246814), (1280, 123407)]