200708920

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{22501}}^1$

素因数の和:22735

約数の個数: 32

約数和(自身を含む): 453640320

約数和(自身を除く): 252931400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 22501, 45002, 90004, 112505, 180008, 225010, 450020, 900040, 5017723, 10035446, 20070892, 25088615, 40141784, 50177230, 100354460, 200708920]

約数ペア:

[(1, 200708920), (2, 100354460), (4, 50177230), (5, 40141784), (8, 25088615), (10, 20070892), (20, 10035446), (40, 5017723), (223, 900040), (446, 450020), (892, 225010), (1115, 180008), (1784, 112505), (2230, 90004), (4460, 45002), (8920, 22501)]