23216720

素因数分解:

$2^4\times 5^1\times {\mathrm{290209}}^1$

素因数の和:290222

約数の個数: 20

約数和(自身を含む): 53979060

約数和(自身を除く): 30762340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 290209, 580418, 1160836, 1451045, 2321672, 2902090, 4643344, 5804180, 11608360, 23216720]

約数ペア:

[(1, 23216720), (2, 11608360), (4, 5804180), (5, 4643344), (8, 2902090), (10, 2321672), (16, 1451045), (20, 1160836), (40, 580418), (80, 290209)]