80691860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12491}}^1$

素因数の和:12536

約数の個数: 48

約数和(自身を含む): 188879040

約数和(自身を除く): 108187180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 12491, 24982, 49964, 62455, 124910, 212347, 237329, 249820, 424694, 474658, 849388, 949316, 1061735, 1186645, 2123470, 2373290, 4034593, 4246940, 4746580, 8069186, 16138372, 20172965, 40345930, 80691860]

約数ペア:

[(1, 80691860), (2, 40345930), (4, 20172965), (5, 16138372), (10, 8069186), (17, 4746580), (19, 4246940), (20, 4034593), (34, 2373290), (38, 2123470), (68, 1186645), (76, 1061735), (85, 949316), (95, 849388), (170, 474658), (190, 424694), (323, 249820), (340, 237329), (380, 212347), (646, 124910), (1292, 62455), (1615, 49964), (3230, 24982), (6460, 12491)]