80497000

素因数分解:

$2^3\times 5^3\times {\mathrm{101}}^1\times {\mathrm{797}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 190466640

約数和(自身を除く): 109969640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 200, 202, 250, 404, 500, 505, 797, 808, 1000, 1010, 1594, 2020, 2525, 3188, 3985, 4040, 5050, 6376, 7970, 10100, 12625, 15940, 19925, 20200, 25250, 31880, 39850, 50500, 79700, 80497, 99625, 101000, 159400, 160994, 199250, 321988, 398500, 402485, 643976, 797000, 804970, 1609940, 2012425, 3219880, 4024850, 8049700, 10062125, 16099400, 20124250, 40248500, 80497000]

約数ペア:

[(1, 80497000), (2, 40248500), (4, 20124250), (5, 16099400), (8, 10062125), (10, 8049700), (20, 4024850), (25, 3219880), (40, 2012425), (50, 1609940), (100, 804970), (101, 797000), (125, 643976), (200, 402485), (202, 398500), (250, 321988), (404, 199250), (500, 160994), (505, 159400), (797, 101000), (808, 99625), (1000, 80497), (1010, 79700), (1594, 50500), (2020, 39850), (2525, 31880), (3188, 25250), (3985, 20200), (4040, 19925), (5050, 15940), (6376, 12625), (7970, 10100)]