40890760

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5711}}^1$

素因数の和:5901

約数の個数: 32

約数和(自身を含む): 92534400

約数和(自身を除く): 51643640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 5711, 7160, 11422, 22844, 28555, 45688, 57110, 114220, 228440, 1022269, 2044538, 4089076, 5111345, 8178152, 10222690, 20445380, 40890760]

約数ペア:

[(1, 40890760), (2, 20445380), (4, 10222690), (5, 8178152), (8, 5111345), (10, 4089076), (20, 2044538), (40, 1022269), (179, 228440), (358, 114220), (716, 57110), (895, 45688), (1432, 28555), (1790, 22844), (3580, 11422), (5711, 7160)]