128169760

素因数分解:

$2^5\times 5^1\times {\mathrm{801061}}^1$

素因数の和:801076

約数の個数: 24

約数和(自身を含む): 302801436

約数和(自身を除く): 174631676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 801061, 1602122, 3204244, 4005305, 6408488, 8010610, 12816976, 16021220, 25633952, 32042440, 64084880, 128169760]

約数ペア:

[(1, 128169760), (2, 64084880), (4, 32042440), (5, 25633952), (8, 16021220), (10, 12816976), (16, 8010610), (20, 6408488), (32, 4005305), (40, 3204244), (80, 1602122), (160, 801061)]