16121500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1697}}^1$

素因数の和:1735

約数の個数: 48

約数和(自身を含む): 37084320

約数和(自身を除く): 20962820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1697, 1900, 2375, 3394, 4750, 6788, 8485, 9500, 16970, 32243, 33940, 42425, 64486, 84850, 128972, 161215, 169700, 212125, 322430, 424250, 644860, 806075, 848500, 1612150, 3224300, 4030375, 8060750, 16121500]

約数ペア:

[(1, 16121500), (2, 8060750), (4, 4030375), (5, 3224300), (10, 1612150), (19, 848500), (20, 806075), (25, 644860), (38, 424250), (50, 322430), (76, 212125), (95, 169700), (100, 161215), (125, 128972), (190, 84850), (250, 64486), (380, 42425), (475, 33940), (500, 32243), (950, 16970), (1697, 9500), (1900, 8485), (2375, 6788), (3394, 4750)]