80492800

素因数分解:

$2^8\times 5^2\times {\mathrm{12577}}^1$

素因数の和:12603

約数の個数: 54

約数和(自身を含む): 199248098

約数和(自身を除く): 118755298

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 12577, 25154, 50308, 62885, 100616, 125770, 201232, 251540, 314425, 402464, 503080, 628850, 804928, 1006160, 1257700, 1609856, 2012320, 2515400, 3219712, 4024640, 5030800, 8049280, 10061600, 16098560, 20123200, 40246400, 80492800]

約数ペア:

[(1, 80492800), (2, 40246400), (4, 20123200), (5, 16098560), (8, 10061600), (10, 8049280), (16, 5030800), (20, 4024640), (25, 3219712), (32, 2515400), (40, 2012320), (50, 1609856), (64, 1257700), (80, 1006160), (100, 804928), (128, 628850), (160, 503080), (200, 402464), (256, 314425), (320, 251540), (400, 201232), (640, 125770), (800, 100616), (1280, 62885), (1600, 50308), (3200, 25154), (6400, 12577)]