64640270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1913}}^1$

素因数の和:2060

約数の個数: 32

約数和(自身を含む): 121271040

約数和(自身を除く): 56630770

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 545, 1090, 1913, 3379, 3826, 6758, 9565, 16895, 19130, 33790, 59303, 118606, 208517, 296515, 417034, 593030, 1042585, 2085170, 6464027, 12928054, 32320135, 64640270]

約数ペア:

[(1, 64640270), (2, 32320135), (5, 12928054), (10, 6464027), (31, 2085170), (62, 1042585), (109, 593030), (155, 417034), (218, 296515), (310, 208517), (545, 118606), (1090, 59303), (1913, 33790), (3379, 19130), (3826, 16895), (6758, 9565)]