201326781640

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{22570267}}^1$

素因数の和:22570501

約数の個数: 32

約数和(自身を含む): 455016602880

約数和(自身を除く): 253689821240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 22570267, 45140534, 90281068, 112851335, 180562136, 225702670, 451405340, 902810680, 5033169541, 10066339082, 20132678164, 25165847705, 40265356328, 50331695410, 100663390820, 201326781640]

約数ペア:

[(1, 201326781640), (2, 100663390820), (4, 50331695410), (5, 40265356328), (8, 25165847705), (10, 20132678164), (20, 10066339082), (40, 5033169541), (223, 902810680), (446, 451405340), (892, 225702670), (1115, 180562136), (1784, 112851335), (2230, 90281068), (4460, 45140534), (8920, 22570267)]