128253920

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5851}}^1$

素因数の和:6003

約数の個数: 48

約数和(自身を含む): 305263728

約数和(自身を除く): 177009808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 5851, 10960, 11702, 21920, 23404, 29255, 46808, 58510, 93616, 117020, 187232, 234040, 468080, 801587, 936160, 1603174, 3206348, 4007935, 6412696, 8015870, 12825392, 16031740, 25650784, 32063480, 64126960, 128253920]

約数ペア:

[(1, 128253920), (2, 64126960), (4, 32063480), (5, 25650784), (8, 16031740), (10, 12825392), (16, 8015870), (20, 6412696), (32, 4007935), (40, 3206348), (80, 1603174), (137, 936160), (160, 801587), (274, 468080), (548, 234040), (685, 187232), (1096, 117020), (1370, 93616), (2192, 58510), (2740, 46808), (4384, 29255), (5480, 23404), (5851, 21920), (10960, 11702)]