66768640

素因数分解:

$2^8\times 5^1\times {\mathrm{52163}}^1$

素因数の和:52184

約数の個数: 36

約数和(自身を含む): 159934824

約数和(自身を除く): 93166184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 52163, 104326, 208652, 260815, 417304, 521630, 834608, 1043260, 1669216, 2086520, 3338432, 4173040, 6676864, 8346080, 13353728, 16692160, 33384320, 66768640]

約数ペア:

[(1, 66768640), (2, 33384320), (4, 16692160), (5, 13353728), (8, 8346080), (10, 6676864), (16, 4173040), (20, 3338432), (32, 2086520), (40, 1669216), (64, 1043260), (80, 834608), (128, 521630), (160, 417304), (256, 260815), (320, 208652), (640, 104326), (1280, 52163)]