27580960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15671}}^1$

素因数の和:15697

約数の個数: 48

約数和(自身を含む): 71088192

約数和(自身を除く): 43507232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 15671, 31342, 62684, 78355, 125368, 156710, 172381, 250736, 313420, 344762, 501472, 626840, 689524, 861905, 1253680, 1379048, 1723810, 2507360, 2758096, 3447620, 5516192, 6895240, 13790480, 27580960]

約数ペア:

[(1, 27580960), (2, 13790480), (4, 6895240), (5, 5516192), (8, 3447620), (10, 2758096), (11, 2507360), (16, 1723810), (20, 1379048), (22, 1253680), (32, 861905), (40, 689524), (44, 626840), (55, 501472), (80, 344762), (88, 313420), (110, 250736), (160, 172381), (176, 156710), (220, 125368), (352, 78355), (440, 62684), (880, 31342), (1760, 15671)]