28373720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30841}}^1$

素因数の和:30875

約数の個数: 32

約数和(自身を含む): 66618720

約数和(自身を除く): 38245000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 30841, 61682, 123364, 154205, 246728, 308410, 616820, 709343, 1233640, 1418686, 2837372, 3546715, 5674744, 7093430, 14186860, 28373720]

約数ペア:

[(1, 28373720), (2, 14186860), (4, 7093430), (5, 5674744), (8, 3546715), (10, 2837372), (20, 1418686), (23, 1233640), (40, 709343), (46, 616820), (92, 308410), (115, 246728), (184, 154205), (230, 123364), (460, 61682), (920, 30841)]