129969160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:826

約数の個数: 64

約数和(自身を含む): 302998320

約数和(自身を除く): 173029160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 137, 148, 185, 274, 296, 370, 548, 641, 685, 740, 1096, 1282, 1370, 1480, 2564, 2740, 3205, 5069, 5128, 5480, 6410, 10138, 12820, 20276, 23717, 25345, 25640, 40552, 47434, 50690, 87817, 94868, 101380, 118585, 175634, 189736, 202760, 237170, 351268, 439085, 474340, 702536, 878170, 948680, 1756340, 3249229, 3512680, 6498458, 12996916, 16246145, 25993832, 32492290, 64984580, 129969160]

約数ペア:

[(1, 129969160), (2, 64984580), (4, 32492290), (5, 25993832), (8, 16246145), (10, 12996916), (20, 6498458), (37, 3512680), (40, 3249229), (74, 1756340), (137, 948680), (148, 878170), (185, 702536), (274, 474340), (296, 439085), (370, 351268), (548, 237170), (641, 202760), (685, 189736), (740, 175634), (1096, 118585), (1282, 101380), (1370, 94868), (1480, 87817), (2564, 50690), (2740, 47434), (3205, 40552), (5069, 25640), (5128, 25345), (5480, 23717), (6410, 20276), (10138, 12820)]