40929640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 94944960

約数和(自身を除く): 54015320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 107, 131, 146, 214, 262, 292, 365, 428, 524, 535, 584, 655, 730, 856, 1048, 1070, 1310, 1460, 2140, 2620, 2920, 4280, 5240, 7811, 9563, 14017, 15622, 19126, 28034, 31244, 38252, 39055, 47815, 56068, 62488, 70085, 76504, 78110, 95630, 112136, 140170, 156220, 191260, 280340, 312440, 382520, 560680, 1023241, 2046482, 4092964, 5116205, 8185928, 10232410, 20464820, 40929640]

約数ペア:

[(1, 40929640), (2, 20464820), (4, 10232410), (5, 8185928), (8, 5116205), (10, 4092964), (20, 2046482), (40, 1023241), (73, 560680), (107, 382520), (131, 312440), (146, 280340), (214, 191260), (262, 156220), (292, 140170), (365, 112136), (428, 95630), (524, 78110), (535, 76504), (584, 70085), (655, 62488), (730, 56068), (856, 47815), (1048, 39055), (1070, 38252), (1310, 31244), (1460, 28034), (2140, 19126), (2620, 15622), (2920, 14017), (4280, 9563), (5240, 7811)]