127130240

素因数分解:

$2^7\times 5^1\times {\mathrm{198641}}^1$

素因数の和:198660

約数の個数: 32

約数和(自身を含む): 303922260

約数和(自身を除く): 176792020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 198641, 397282, 794564, 993205, 1589128, 1986410, 3178256, 3972820, 6356512, 7945640, 12713024, 15891280, 25426048, 31782560, 63565120, 127130240]

約数ペア:

[(1, 127130240), (2, 63565120), (4, 31782560), (5, 25426048), (8, 15891280), (10, 12713024), (16, 7945640), (20, 6356512), (32, 3972820), (40, 3178256), (64, 1986410), (80, 1589128), (128, 993205), (160, 794564), (320, 397282), (640, 198641)]