7820720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3371}}^1$

素因数の和:3413

約数の個数: 40

約数和(自身を含む): 18815760

約数和(自身を除く): 10995040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 3371, 6742, 13484, 16855, 26968, 33710, 53936, 67420, 97759, 134840, 195518, 269680, 391036, 488795, 782072, 977590, 1564144, 1955180, 3910360, 7820720]

約数ペア:

[(1, 7820720), (2, 3910360), (4, 1955180), (5, 1564144), (8, 977590), (10, 782072), (16, 488795), (20, 391036), (29, 269680), (40, 195518), (58, 134840), (80, 97759), (116, 67420), (145, 53936), (232, 33710), (290, 26968), (464, 16855), (580, 13484), (1160, 6742), (2320, 3371)]