40672960

素因数分解:

$2^6\times 5^1\times {\mathrm{127103}}^1$

素因数の和:127120

約数の個数: 28

約数和(自身を含む): 96853248

約数和(自身を除く): 56180288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 127103, 254206, 508412, 635515, 1016824, 1271030, 2033648, 2542060, 4067296, 5084120, 8134592, 10168240, 20336480, 40672960]

約数ペア:

[(1, 40672960), (2, 20336480), (4, 10168240), (5, 8134592), (8, 5084120), (10, 4067296), (16, 2542060), (20, 2033648), (32, 1271030), (40, 1016824), (64, 635515), (80, 508412), (160, 254206), (320, 127103)]