89704520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{20959}}^1$

素因数の和:21077

約数の個数: 32

約数和(自身を含む): 203731200

約数和(自身を除く): 114026680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 20959, 41918, 83836, 104795, 167672, 209590, 419180, 838360, 2242613, 4485226, 8970452, 11213065, 17940904, 22426130, 44852260, 89704520]

約数ペア:

[(1, 89704520), (2, 44852260), (4, 22426130), (5, 17940904), (8, 11213065), (10, 8970452), (20, 4485226), (40, 2242613), (107, 838360), (214, 419180), (428, 209590), (535, 167672), (856, 104795), (1070, 83836), (2140, 41918), (4280, 20959)]