39289000

素因数分解:

$2^3\times 5^3\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 93085200

約数和(自身を除く): 53796200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 200, 202, 250, 389, 404, 500, 505, 778, 808, 1000, 1010, 1556, 1945, 2020, 2525, 3112, 3890, 4040, 5050, 7780, 9725, 10100, 12625, 15560, 19450, 20200, 25250, 38900, 39289, 48625, 50500, 77800, 78578, 97250, 101000, 157156, 194500, 196445, 314312, 389000, 392890, 785780, 982225, 1571560, 1964450, 3928900, 4911125, 7857800, 9822250, 19644500, 39289000]

約数ペア:

[(1, 39289000), (2, 19644500), (4, 9822250), (5, 7857800), (8, 4911125), (10, 3928900), (20, 1964450), (25, 1571560), (40, 982225), (50, 785780), (100, 392890), (101, 389000), (125, 314312), (200, 196445), (202, 194500), (250, 157156), (389, 101000), (404, 97250), (500, 78578), (505, 77800), (778, 50500), (808, 48625), (1000, 39289), (1010, 38900), (1556, 25250), (1945, 20200), (2020, 19450), (2525, 15560), (3112, 12625), (3890, 10100), (4040, 9725), (5050, 7780)]