40505540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 89074944

約数和(自身を除く): 48569404

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1051, 1927, 2102, 3854, 4204, 5255, 7708, 9635, 10510, 19270, 21020, 38540, 43091, 49397, 86182, 98794, 172364, 197588, 215455, 246985, 430910, 493970, 861820, 987940, 2025277, 4050554, 8101108, 10126385, 20252770, 40505540]

約数ペア:

[(1, 40505540), (2, 20252770), (4, 10126385), (5, 8101108), (10, 4050554), (20, 2025277), (41, 987940), (47, 861820), (82, 493970), (94, 430910), (164, 246985), (188, 215455), (205, 197588), (235, 172364), (410, 98794), (470, 86182), (820, 49397), (940, 43091), (1051, 38540), (1927, 21020), (2102, 19270), (3854, 10510), (4204, 9635), (5255, 7708)]