66399560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{57241}}^1$

素因数の和:57281

約数の個数: 32

約数和(自身を含む): 154553400

約数和(自身を除く): 88153840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 57241, 114482, 228964, 286205, 457928, 572410, 1144820, 1659989, 2289640, 3319978, 6639956, 8299945, 13279912, 16599890, 33199780, 66399560]

約数ペア:

[(1, 66399560), (2, 33199780), (4, 16599890), (5, 13279912), (8, 8299945), (10, 6639956), (20, 3319978), (29, 2289640), (40, 1659989), (58, 1144820), (116, 572410), (145, 457928), (232, 286205), (290, 228964), (580, 114482), (1160, 57241)]