80879840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17431}}^1$

素因数の和:17475

約数の個数: 48

約数和(自身を含む): 197678880

約数和(自身を除く): 116799040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 17431, 34862, 69724, 87155, 139448, 174310, 278896, 348620, 505499, 557792, 697240, 1010998, 1394480, 2021996, 2527495, 2788960, 4043992, 5054990, 8087984, 10109980, 16175968, 20219960, 40439920, 80879840]

約数ペア:

[(1, 80879840), (2, 40439920), (4, 20219960), (5, 16175968), (8, 10109980), (10, 8087984), (16, 5054990), (20, 4043992), (29, 2788960), (32, 2527495), (40, 2021996), (58, 1394480), (80, 1010998), (116, 697240), (145, 557792), (160, 505499), (232, 348620), (290, 278896), (464, 174310), (580, 139448), (928, 87155), (1160, 69724), (2320, 34862), (4640, 17431)]