15945520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5387}}^1$

素因数の和:5437

約数の個数: 40

約数和(自身を含む): 38082384

約数和(自身を除く): 22136864

約数列:

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

約数ペア:

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