80821744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{265861}}^1$

素因数の和:265888

約数の個数: 20

約数和(自身を含む): 164834440

約数和(自身を除く): 84012696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 265861, 531722, 1063444, 2126888, 4253776, 5051359, 10102718, 20205436, 40410872, 80821744]

約数ペア:

[(1, 80821744), (2, 40410872), (4, 20205436), (8, 10102718), (16, 5051359), (19, 4253776), (38, 2126888), (76, 1063444), (152, 531722), (304, 265861)]