206414720

素因数分解:

$2^7\times 5^1\times {\mathrm{322523}}^1$

素因数の和:322542

約数の個数: 32

約数和(自身を含む): 493461720

約数和(自身を除く): 287047000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 322523, 645046, 1290092, 1612615, 2580184, 3225230, 5160368, 6450460, 10320736, 12900920, 20641472, 25801840, 41282944, 51603680, 103207360, 206414720]

約数ペア:

[(1, 206414720), (2, 103207360), (4, 51603680), (5, 41282944), (8, 25801840), (10, 20641472), (16, 12900920), (20, 10320736), (32, 6450460), (40, 5160368), (64, 3225230), (80, 2580184), (128, 1612615), (160, 1290092), (320, 645046), (640, 322523)]