17996320

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 42878808

約数和(自身を除く): 24882488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 821, 1096, 1370, 1642, 2192, 2740, 3284, 4105, 4384, 5480, 6568, 8210, 10960, 13136, 16420, 21920, 26272, 32840, 65680, 112477, 131360, 224954, 449908, 562385, 899816, 1124770, 1799632, 2249540, 3599264, 4499080, 8998160, 17996320]

約数ペア:

[(1, 17996320), (2, 8998160), (4, 4499080), (5, 3599264), (8, 2249540), (10, 1799632), (16, 1124770), (20, 899816), (32, 562385), (40, 449908), (80, 224954), (137, 131360), (160, 112477), (274, 65680), (548, 32840), (685, 26272), (821, 21920), (1096, 16420), (1370, 13136), (1642, 10960), (2192, 8210), (2740, 6568), (3284, 5480), (4105, 4384)]