40385920

素因数分解:

$2^7\times 5^1\times {\mathrm{63103}}^1$

素因数の和:63122

約数の個数: 32

約数和(自身を含む): 96549120

約数和(自身を除く): 56163200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 63103, 126206, 252412, 315515, 504824, 631030, 1009648, 1262060, 2019296, 2524120, 4038592, 5048240, 8077184, 10096480, 20192960, 40385920]

約数ペア:

[(1, 40385920), (2, 20192960), (4, 10096480), (5, 8077184), (8, 5048240), (10, 4038592), (16, 2524120), (20, 2019296), (32, 1262060), (40, 1009648), (64, 631030), (80, 504824), (128, 315515), (160, 252412), (320, 126206), (640, 63103)]