40810240

素因数分解:

$2^8\times 5^1\times {\mathrm{31883}}^1$

素因数の和:31904

約数の個数: 36

約数和(自身を含む): 97756344

約数和(自身を除く): 56946104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 31883, 63766, 127532, 159415, 255064, 318830, 510128, 637660, 1020256, 1275320, 2040512, 2550640, 4081024, 5101280, 8162048, 10202560, 20405120, 40810240]

約数ペア:

[(1, 40810240), (2, 20405120), (4, 10202560), (5, 8162048), (8, 5101280), (10, 4081024), (16, 2550640), (20, 2040512), (32, 1275320), (40, 1020256), (64, 637660), (80, 510128), (128, 318830), (160, 255064), (256, 159415), (320, 127532), (640, 63766), (1280, 31883)]