80652800

素因数分解:

$2^9\times 5^2\times {\mathrm{6301}}^1$

素因数の和:6329

約数の個数: 60

約数和(自身を含む): 199855326

約数和(自身を除く): 119202526

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6301, 6400, 12602, 12800, 25204, 31505, 50408, 63010, 100816, 126020, 157525, 201632, 252040, 315050, 403264, 504080, 630100, 806528, 1008160, 1260200, 1613056, 2016320, 2520400, 3226112, 4032640, 5040800, 8065280, 10081600, 16130560, 20163200, 40326400, 80652800]

約数ペア:

[(1, 80652800), (2, 40326400), (4, 20163200), (5, 16130560), (8, 10081600), (10, 8065280), (16, 5040800), (20, 4032640), (25, 3226112), (32, 2520400), (40, 2016320), (50, 1613056), (64, 1260200), (80, 1008160), (100, 806528), (128, 630100), (160, 504080), (200, 403264), (256, 315050), (320, 252040), (400, 201632), (512, 157525), (640, 126020), (800, 100816), (1280, 63010), (1600, 50408), (2560, 31505), (3200, 25204), (6301, 12800), (6400, 12602)]