22720

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1$

素因数の和:88

約数の個数: 28

約数和(自身を含む): 54864

約数和(自身を除く): 32144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11360, 22720]

約数ペア:

[(1, 22720), (2, 11360), (4, 5680), (5, 4544), (8, 2840), (10, 2272), (16, 1420), (20, 1136), (32, 710), (40, 568), (64, 355), (71, 320), (80, 284), (142, 160)]