202785680

素因数分解:

$2^4\times 5^1\times {\mathrm{2534821}}^1$

素因数の和:2534834

約数の個数: 20

約数和(自身を含む): 471476892

約数和(自身を除く): 268691212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2534821, 5069642, 10139284, 12674105, 20278568, 25348210, 40557136, 50696420, 101392840, 202785680]

約数ペア:

[(1, 202785680), (2, 101392840), (4, 50696420), (5, 40557136), (8, 25348210), (10, 20278568), (16, 12674105), (20, 10139284), (40, 5069642), (80, 2534821)]