1627520

素因数分解:

$2^7\times 5^1\times {\mathrm{2543}}^1$

素因数の和:2562

約数の個数: 32

約数和(自身を含む): 3892320

約数和(自身を除く): 2264800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2543, 5086, 10172, 12715, 20344, 25430, 40688, 50860, 81376, 101720, 162752, 203440, 325504, 406880, 813760, 1627520]

約数ペア:

[(1, 1627520), (2, 813760), (4, 406880), (5, 325504), (8, 203440), (10, 162752), (16, 101720), (20, 81376), (32, 50860), (40, 40688), (64, 25430), (80, 20344), (128, 12715), (160, 10172), (320, 5086), (640, 2543)]