200879620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127139}}^1$

素因数の和:127227

約数の個数: 24

約数和(自身を含む): 427190400

約数和(自身を除く): 226310780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 127139, 254278, 508556, 635695, 1271390, 2542780, 10043981, 20087962, 40175924, 50219905, 100439810, 200879620]

約数ペア:

[(1, 200879620), (2, 100439810), (4, 50219905), (5, 40175924), (10, 20087962), (20, 10043981), (79, 2542780), (158, 1271390), (316, 635695), (395, 508556), (790, 254278), (1580, 127139)]