8433280

素因数分解:

$2^7\times 5^1\times {\mathrm{13177}}^1$

素因数の和:13196

約数の個数: 32

約数和(自身を含む): 20162340

約数和(自身を除く): 11729060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13177, 26354, 52708, 65885, 105416, 131770, 210832, 263540, 421664, 527080, 843328, 1054160, 1686656, 2108320, 4216640, 8433280]

約数ペア:

[(1, 8433280), (2, 4216640), (4, 2108320), (5, 1686656), (8, 1054160), (10, 843328), (16, 527080), (20, 421664), (32, 263540), (40, 210832), (64, 131770), (80, 105416), (128, 65885), (160, 52708), (320, 26354), (640, 13177)]