55949440

素因数分解:

$2^7\times 5^1\times {\mathrm{87421}}^1$

素因数の和:87440

約数の個数: 32

約数和(自身を含む): 133755660

約数和(自身を除く): 77806220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 87421, 174842, 349684, 437105, 699368, 874210, 1398736, 1748420, 2797472, 3496840, 5594944, 6993680, 11189888, 13987360, 27974720, 55949440]

約数ペア:

[(1, 55949440), (2, 27974720), (4, 13987360), (5, 11189888), (8, 6993680), (10, 5594944), (16, 3496840), (20, 2797472), (32, 1748420), (40, 1398736), (64, 874210), (80, 699368), (128, 437105), (160, 349684), (320, 174842), (640, 87421)]