85953320

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12421}}^1$

素因数の和:12605

約数の個数: 32

約数和(自身を含む): 194528520

約数和(自身を除く): 108575200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 12421, 24842, 49684, 62105, 99368, 124210, 248420, 496840, 2148833, 4297666, 8595332, 10744165, 17190664, 21488330, 42976660, 85953320]

約数ペア:

[(1, 85953320), (2, 42976660), (4, 21488330), (5, 17190664), (8, 10744165), (10, 8595332), (20, 4297666), (40, 2148833), (173, 496840), (346, 248420), (692, 124210), (865, 99368), (1384, 62105), (1730, 49684), (3460, 24842), (6920, 12421)]