78342080

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1787}}^1$

素因数の和:1941

約数の個数: 56

約数和(自身を含む): 188018928

約数和(自身を除く): 109676848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 1096, 1370, 1787, 2192, 2740, 3574, 4384, 5480, 7148, 8768, 8935, 10960, 14296, 17870, 21920, 28592, 35740, 43840, 57184, 71480, 114368, 142960, 244819, 285920, 489638, 571840, 979276, 1224095, 1958552, 2448190, 3917104, 4896380, 7834208, 9792760, 15668416, 19585520, 39171040, 78342080]

約数ペア:

[(1, 78342080), (2, 39171040), (4, 19585520), (5, 15668416), (8, 9792760), (10, 7834208), (16, 4896380), (20, 3917104), (32, 2448190), (40, 1958552), (64, 1224095), (80, 979276), (137, 571840), (160, 489638), (274, 285920), (320, 244819), (548, 142960), (685, 114368), (1096, 71480), (1370, 57184), (1787, 43840), (2192, 35740), (2740, 28592), (3574, 21920), (4384, 17870), (5480, 14296), (7148, 10960), (8768, 8935)]