66987890

素因数分解:

$2^1\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{4153}}^1$

素因数の和:5773

約数の個数: 16

約数和(自身を含む): 120682008

約数和(自身を除く): 53694118

約数列:

[1, 2, 5, 10, 1613, 3226, 4153, 8065, 8306, 16130, 20765, 41530, 6698789, 13397578, 33493945, 66987890]

約数ペア:

[(1, 66987890), (2, 33493945), (5, 13397578), (10, 6698789), (1613, 41530), (3226, 20765), (4153, 16130), (8065, 8306)]