40652840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16661}}^1$

素因数の和:16733

約数の個数: 32

約数和(自身を含む): 92973960

約数和(自身を除く): 52321120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 16661, 33322, 66644, 83305, 133288, 166610, 333220, 666440, 1016321, 2032642, 4065284, 5081605, 8130568, 10163210, 20326420, 40652840]

約数ペア:

[(1, 40652840), (2, 20326420), (4, 10163210), (5, 8130568), (8, 5081605), (10, 4065284), (20, 2032642), (40, 1016321), (61, 666440), (122, 333220), (244, 166610), (305, 133288), (488, 83305), (610, 66644), (1220, 33322), (2440, 16661)]