200840388620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{112831679}}^1$

素因数の和:112831777

約数の個数: 24

約数和(自身を含む): 426503750400

約数和(自身を除く): 225663361780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 112831679, 225663358, 451326716, 564158395, 1128316790, 2256633580, 10042019431, 20084038862, 40168077724, 50210097155, 100420194310, 200840388620]

約数ペア:

[(1, 200840388620), (2, 100420194310), (4, 50210097155), (5, 40168077724), (10, 20084038862), (20, 10042019431), (89, 2256633580), (178, 1128316790), (356, 564158395), (445, 451326716), (890, 225663358), (1780, 112831679)]