8045521280

素因数分解:

$2^7\times 5^1\times {\mathrm{12571127}}^1$

素因数の和:12571146

約数の個数: 32

約数和(自身を含む): 19233825840

約数和(自身を除く): 11188304560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12571127, 25142254, 50284508, 62855635, 100569016, 125711270, 201138032, 251422540, 402276064, 502845080, 804552128, 1005690160, 1609104256, 2011380320, 4022760640, 8045521280]

約数ペア:

[(1, 8045521280), (2, 4022760640), (4, 2011380320), (5, 1609104256), (8, 1005690160), (10, 804552128), (16, 502845080), (20, 402276064), (32, 251422540), (40, 201138032), (64, 125711270), (80, 100569016), (128, 62855635), (160, 50284508), (320, 25142254), (640, 12571127)]