40182080

素因数分解:

$2^6\times 5^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:847

約数の個数: 56

約数和(自身を含む): 96316800

約数和(自身を除く): 56134720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 199, 320, 398, 631, 796, 995, 1262, 1592, 1990, 2524, 3155, 3184, 3980, 5048, 6310, 6368, 7960, 10096, 12620, 12736, 15920, 20192, 25240, 31840, 40384, 50480, 63680, 100960, 125569, 201920, 251138, 502276, 627845, 1004552, 1255690, 2009104, 2511380, 4018208, 5022760, 8036416, 10045520, 20091040, 40182080]

約数ペア:

[(1, 40182080), (2, 20091040), (4, 10045520), (5, 8036416), (8, 5022760), (10, 4018208), (16, 2511380), (20, 2009104), (32, 1255690), (40, 1004552), (64, 627845), (80, 502276), (160, 251138), (199, 201920), (320, 125569), (398, 100960), (631, 63680), (796, 50480), (995, 40384), (1262, 31840), (1592, 25240), (1990, 20192), (2524, 15920), (3155, 12736), (3184, 12620), (3980, 10096), (5048, 7960), (6310, 6368)]