87380960

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3929}}^1$

素因数の和:4083

約数の個数: 48

約数和(自身を含む): 207975600

約数和(自身を除く): 120594640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 3929, 4448, 5560, 7858, 11120, 15716, 19645, 22240, 31432, 39290, 62864, 78580, 125728, 157160, 314320, 546131, 628640, 1092262, 2184524, 2730655, 4369048, 5461310, 8738096, 10922620, 17476192, 21845240, 43690480, 87380960]

約数ペア:

[(1, 87380960), (2, 43690480), (4, 21845240), (5, 17476192), (8, 10922620), (10, 8738096), (16, 5461310), (20, 4369048), (32, 2730655), (40, 2184524), (80, 1092262), (139, 628640), (160, 546131), (278, 314320), (556, 157160), (695, 125728), (1112, 78580), (1390, 62864), (2224, 39290), (2780, 31432), (3929, 22240), (4448, 19645), (5560, 15716), (7858, 11120)]