13413760

素因数分解:

$2^7\times 5^1\times {\mathrm{20959}}^1$

素因数の和:20978

約数の個数: 32

約数和(自身を含む): 32068800

約数和(自身を除く): 18655040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20959, 41918, 83836, 104795, 167672, 209590, 335344, 419180, 670688, 838360, 1341376, 1676720, 2682752, 3353440, 6706880, 13413760]

約数ペア:

[(1, 13413760), (2, 6706880), (4, 3353440), (5, 2682752), (8, 1676720), (10, 1341376), (16, 838360), (20, 670688), (32, 419180), (40, 335344), (64, 209590), (80, 167672), (128, 104795), (160, 83836), (320, 41918), (640, 20959)]