38580820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2141}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 87445008

約数和(自身を除く): 48864188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 2141, 3604, 4282, 4505, 8564, 9010, 10705, 18020, 21410, 36397, 42820, 72794, 113473, 145588, 181985, 226946, 363970, 453892, 567365, 727940, 1134730, 1929041, 2269460, 3858082, 7716164, 9645205, 19290410, 38580820]

約数ペア:

[(1, 38580820), (2, 19290410), (4, 9645205), (5, 7716164), (10, 3858082), (17, 2269460), (20, 1929041), (34, 1134730), (53, 727940), (68, 567365), (85, 453892), (106, 363970), (170, 226946), (212, 181985), (265, 145588), (340, 113473), (530, 72794), (901, 42820), (1060, 36397), (1802, 21410), (2141, 18020), (3604, 10705), (4282, 9010), (4505, 8564)]