28215680

素因数分解:

$2^7\times 5^1\times {\mathrm{44087}}^1$

素因数の和:44106

約数の個数: 32

約数和(自身を含む): 67454640

約数和(自身を除く): 39238960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44087, 88174, 176348, 220435, 352696, 440870, 705392, 881740, 1410784, 1763480, 2821568, 3526960, 5643136, 7053920, 14107840, 28215680]

約数ペア:

[(1, 28215680), (2, 14107840), (4, 7053920), (5, 5643136), (8, 3526960), (10, 2821568), (16, 1763480), (20, 1410784), (32, 881740), (40, 705392), (64, 440870), (80, 352696), (128, 220435), (160, 176348), (320, 88174), (640, 44087)]