2000990080

素因数分解:

$2^7\times 5^1\times {\mathrm{3126547}}^1$

素因数の和:3126566

約数の個数: 32

約数和(自身を含む): 4783618440

約数和(自身を除く): 2782628360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3126547, 6253094, 12506188, 15632735, 25012376, 31265470, 50024752, 62530940, 100049504, 125061880, 200099008, 250123760, 400198016, 500247520, 1000495040, 2000990080]

約数ペア:

[(1, 2000990080), (2, 1000495040), (4, 500247520), (5, 400198016), (8, 250123760), (10, 200099008), (16, 125061880), (20, 100049504), (32, 62530940), (40, 50024752), (64, 31265470), (80, 25012376), (128, 15632735), (160, 12506188), (320, 6253094), (640, 3126547)]