2642153680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{19531}}^1$

素因数の和:19652

約数の個数: 80

約数和(自身を含む): 6539313600

約数和(自身を除く): 3897159920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 712, 760, 890, 1424, 1520, 1691, 1780, 3382, 3560, 6764, 7120, 8455, 13528, 16910, 19531, 27056, 33820, 39062, 67640, 78124, 97655, 135280, 156248, 195310, 312496, 371089, 390620, 742178, 781240, 1484356, 1562480, 1738259, 1855445, 2968712, 3476518, 3710890, 5937424, 6953036, 7421780, 8691295, 13906072, 14843560, 17382590, 27812144, 29687120, 33026921, 34765180, 66053842, 69530360, 132107684, 139060720, 165134605, 264215368, 330269210, 528430736, 660538420, 1321076840, 2642153680]

約数ペア:

[(1, 2642153680), (2, 1321076840), (4, 660538420), (5, 528430736), (8, 330269210), (10, 264215368), (16, 165134605), (19, 139060720), (20, 132107684), (38, 69530360), (40, 66053842), (76, 34765180), (80, 33026921), (89, 29687120), (95, 27812144), (152, 17382590), (178, 14843560), (190, 13906072), (304, 8691295), (356, 7421780), (380, 6953036), (445, 5937424), (712, 3710890), (760, 3476518), (890, 2968712), (1424, 1855445), (1520, 1738259), (1691, 1562480), (1780, 1484356), (3382, 781240), (3560, 742178), (6764, 390620), (7120, 371089), (8455, 312496), (13528, 195310), (16910, 156248), (19531, 135280), (27056, 97655), (33820, 78124), (39062, 67640)]