3980960

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 9525600

約数和(自身を除く): 5544640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 179, 278, 358, 556, 695, 716, 895, 1112, 1390, 1432, 1790, 2224, 2780, 2864, 3580, 4448, 5560, 5728, 7160, 11120, 14320, 22240, 24881, 28640, 49762, 99524, 124405, 199048, 248810, 398096, 497620, 796192, 995240, 1990480, 3980960]

約数ペア:

[(1, 3980960), (2, 1990480), (4, 995240), (5, 796192), (8, 497620), (10, 398096), (16, 248810), (20, 199048), (32, 124405), (40, 99524), (80, 49762), (139, 28640), (160, 24881), (179, 22240), (278, 14320), (358, 11120), (556, 7160), (695, 5728), (716, 5560), (895, 4448), (1112, 3580), (1390, 2864), (1432, 2780), (1790, 2224)]