7213720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7841}}^1$

素因数の和:7875

約数の個数: 32

約数和(自身を含む): 16938720

約数和(自身を除く): 9725000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 7841, 15682, 31364, 39205, 62728, 78410, 156820, 180343, 313640, 360686, 721372, 901715, 1442744, 1803430, 3606860, 7213720]

約数ペア:

[(1, 7213720), (2, 3606860), (4, 1803430), (5, 1442744), (8, 901715), (10, 721372), (20, 360686), (23, 313640), (40, 180343), (46, 156820), (92, 78410), (115, 62728), (184, 39205), (230, 31364), (460, 15682), (920, 7841)]