8198500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 18869760

約数和(自身を除く): 10671260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 863, 950, 1726, 1900, 2375, 3452, 4315, 4750, 8630, 9500, 16397, 17260, 21575, 32794, 43150, 65588, 81985, 86300, 107875, 163970, 215750, 327940, 409925, 431500, 819850, 1639700, 2049625, 4099250, 8198500]

約数ペア:

[(1, 8198500), (2, 4099250), (4, 2049625), (5, 1639700), (10, 819850), (19, 431500), (20, 409925), (25, 327940), (38, 215750), (50, 163970), (76, 107875), (95, 86300), (100, 81985), (125, 65588), (190, 43150), (250, 32794), (380, 21575), (475, 17260), (500, 16397), (863, 9500), (950, 8630), (1726, 4750), (1900, 4315), (2375, 3452)]