91857280

素因数分解:

$2^7\times 5^1\times {\mathrm{143527}}^1$

素因数の和:143546

約数の個数: 32

約数和(自身を含む): 219597840

約数和(自身を除く): 127740560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 143527, 287054, 574108, 717635, 1148216, 1435270, 2296432, 2870540, 4592864, 5741080, 9185728, 11482160, 18371456, 22964320, 45928640, 91857280]

約数ペア:

[(1, 91857280), (2, 45928640), (4, 22964320), (5, 18371456), (8, 11482160), (10, 9185728), (16, 5741080), (20, 4592864), (32, 2870540), (40, 2296432), (64, 1435270), (80, 1148216), (128, 717635), (160, 574108), (320, 287054), (640, 143527)]