428320

素因数分解:

$2^5\times 5^1\times {\mathrm{2677}}^1$

素因数の和:2692

約数の個数: 24

約数和(自身を含む): 1012284

約数和(自身を除く): 583964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2677, 5354, 10708, 13385, 21416, 26770, 42832, 53540, 85664, 107080, 214160, 428320]

約数ペア:

[(1, 428320), (2, 214160), (4, 107080), (5, 85664), (8, 53540), (10, 42832), (16, 26770), (20, 21416), (32, 13385), (40, 10708), (80, 5354), (160, 2677)]