2004407840

素因数分解:

$2^5\times 5^1\times {\mathrm{449}}^1\times {\mathrm{27901}}^1$

素因数の和:28365

約数の個数: 48

約数和(自身を含む): 4746130200

約数和(自身を除く): 2741722360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 449, 898, 1796, 2245, 3592, 4490, 7184, 8980, 14368, 17960, 27901, 35920, 55802, 71840, 111604, 139505, 223208, 279010, 446416, 558020, 892832, 1116040, 2232080, 4464160, 12527549, 25055098, 50110196, 62637745, 100220392, 125275490, 200440784, 250550980, 400881568, 501101960, 1002203920, 2004407840]

約数ペア:

[(1, 2004407840), (2, 1002203920), (4, 501101960), (5, 400881568), (8, 250550980), (10, 200440784), (16, 125275490), (20, 100220392), (32, 62637745), (40, 50110196), (80, 25055098), (160, 12527549), (449, 4464160), (898, 2232080), (1796, 1116040), (2245, 892832), (3592, 558020), (4490, 446416), (7184, 279010), (8980, 223208), (14368, 139505), (17960, 111604), (27901, 71840), (35920, 55802)]