4877440

素因数分解:

$2^7\times 5^1\times {\mathrm{7621}}^1$

素因数の和:7640

約数の個数: 32

約数和(自身を含む): 11661660

約数和(自身を除く): 6784220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 7621, 15242, 30484, 38105, 60968, 76210, 121936, 152420, 243872, 304840, 487744, 609680, 975488, 1219360, 2438720, 4877440]

約数ペア:

[(1, 4877440), (2, 2438720), (4, 1219360), (5, 975488), (8, 609680), (10, 487744), (16, 304840), (20, 243872), (32, 152420), (40, 121936), (64, 76210), (80, 60968), (128, 38105), (160, 30484), (320, 15242), (640, 7621)]