203025520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{87511}}^1$

素因数の和:87553

約数の個数: 40

約数和(自身を含む): 488316960

約数和(自身を除く): 285291440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 87511, 175022, 350044, 437555, 700088, 875110, 1400176, 1750220, 2537819, 3500440, 5075638, 7000880, 10151276, 12689095, 20302552, 25378190, 40605104, 50756380, 101512760, 203025520]

約数ペア:

[(1, 203025520), (2, 101512760), (4, 50756380), (5, 40605104), (8, 25378190), (10, 20302552), (16, 12689095), (20, 10151276), (29, 7000880), (40, 5075638), (58, 3500440), (80, 2537819), (116, 1750220), (145, 1400176), (232, 875110), (290, 700088), (464, 437555), (580, 350044), (1160, 175022), (2320, 87511)]