85667870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{2153}}^1$

素因数の和:2356

約数の個数: 32

約数和(自身を含む): 161911872

約数和(自身を除く): 76244002

約数列:

[1, 2, 5, 10, 23, 46, 115, 173, 230, 346, 865, 1730, 2153, 3979, 4306, 7958, 10765, 19895, 21530, 39790, 49519, 99038, 247595, 372469, 495190, 744938, 1862345, 3724690, 8566787, 17133574, 42833935, 85667870]

約数ペア:

[(1, 85667870), (2, 42833935), (5, 17133574), (10, 8566787), (23, 3724690), (46, 1862345), (115, 744938), (173, 495190), (230, 372469), (346, 247595), (865, 99038), (1730, 49519), (2153, 39790), (3979, 21530), (4306, 19895), (7958, 10765)]