21939469360

素因数分解:

$2^4\times 5^1\times {\mathrm{27749}}^1\times {\mathrm{9883}}^1$

素因数の和:37645

約数の個数: 40

約数和(自身を含む): 51016266000

約数和(自身を除く): 29076796640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9883, 19766, 27749, 39532, 49415, 55498, 79064, 98830, 110996, 138745, 158128, 197660, 221992, 277490, 395320, 443984, 554980, 790640, 1109960, 2219920, 274243367, 548486734, 1096973468, 1371216835, 2193946936, 2742433670, 4387893872, 5484867340, 10969734680, 21939469360]

約数ペア:

[(1, 21939469360), (2, 10969734680), (4, 5484867340), (5, 4387893872), (8, 2742433670), (10, 2193946936), (16, 1371216835), (20, 1096973468), (40, 548486734), (80, 274243367), (9883, 2219920), (19766, 1109960), (27749, 790640), (39532, 554980), (49415, 443984), (55498, 395320), (79064, 277490), (98830, 221992), (110996, 197660), (138745, 158128)]