8049850000

素因数分解:

$2^4\times 5^5\times {\mathrm{160997}}^1$

素因数の和:161030

約数の個数: 60

約数和(自身を含む): 19494603828

約数和(自身を除く): 11444753828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 3125, 5000, 6250, 10000, 12500, 25000, 50000, 160997, 321994, 643988, 804985, 1287976, 1609970, 2575952, 3219940, 4024925, 6439880, 8049850, 12879760, 16099700, 20124625, 32199400, 40249250, 64398800, 80498500, 100623125, 160997000, 201246250, 321994000, 402492500, 503115625, 804985000, 1006231250, 1609970000, 2012462500, 4024925000, 8049850000]

約数ペア:

[(1, 8049850000), (2, 4024925000), (4, 2012462500), (5, 1609970000), (8, 1006231250), (10, 804985000), (16, 503115625), (20, 402492500), (25, 321994000), (40, 201246250), (50, 160997000), (80, 100623125), (100, 80498500), (125, 64398800), (200, 40249250), (250, 32199400), (400, 20124625), (500, 16099700), (625, 12879760), (1000, 8049850), (1250, 6439880), (2000, 4024925), (2500, 3219940), (3125, 2575952), (5000, 1609970), (6250, 1287976), (10000, 804985), (12500, 643988), (25000, 321994), (50000, 160997)]