13358720

素因数分解:

$2^7\times 5^1\times {\mathrm{20873}}^1$

素因数の和:20892

約数の個数: 32

約数和(自身を含む): 31937220

約数和(自身を除く): 18578500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20873, 41746, 83492, 104365, 166984, 208730, 333968, 417460, 667936, 834920, 1335872, 1669840, 2671744, 3339680, 6679360, 13358720]

約数ペア:

[(1, 13358720), (2, 6679360), (4, 3339680), (5, 2671744), (8, 1669840), (10, 1335872), (16, 834920), (20, 667936), (32, 417460), (40, 333968), (64, 208730), (80, 166984), (128, 104365), (160, 83492), (320, 41746), (640, 20873)]