31891040

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5387}}^1$

素因数の和:5439

約数の個数: 48

約数和(自身を含む): 77393232

約数和(自身を除く): 45502192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5387, 5920, 10774, 21548, 26935, 43096, 53870, 86192, 107740, 172384, 199319, 215480, 398638, 430960, 797276, 861920, 996595, 1594552, 1993190, 3189104, 3986380, 6378208, 7972760, 15945520, 31891040]

約数ペア:

[(1, 31891040), (2, 15945520), (4, 7972760), (5, 6378208), (8, 3986380), (10, 3189104), (16, 1993190), (20, 1594552), (32, 996595), (37, 861920), (40, 797276), (74, 430960), (80, 398638), (148, 215480), (160, 199319), (185, 172384), (296, 107740), (370, 86192), (592, 53870), (740, 43096), (1184, 26935), (1480, 21548), (2960, 10774), (5387, 5920)]