57451280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8069}}^1$

素因数の和:8171

約数の個数: 40

約数和(自身を含む): 135091800

約数和(自身を除く): 77640520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 8069, 16138, 32276, 40345, 64552, 80690, 129104, 161380, 322760, 645520, 718141, 1436282, 2872564, 3590705, 5745128, 7181410, 11490256, 14362820, 28725640, 57451280]

約数ペア:

[(1, 57451280), (2, 28725640), (4, 14362820), (5, 11490256), (8, 7181410), (10, 5745128), (16, 3590705), (20, 2872564), (40, 1436282), (80, 718141), (89, 645520), (178, 322760), (356, 161380), (445, 129104), (712, 80690), (890, 64552), (1424, 40345), (1780, 32276), (3560, 16138), (7120, 8069)]