15690424340

素因数分解:

$2^2\times 5^1\times {\mathrm{784521217}}^1$

素因数の和:784521226

約数の個数: 12

約数和(自身を含む): 32949891156

約数和(自身を除く): 17259466816

約数列:

[1, 2, 4, 5, 10, 20, 784521217, 1569042434, 3138084868, 3922606085, 7845212170, 15690424340]

約数ペア:

[(1, 15690424340), (2, 7845212170), (4, 3922606085), (5, 3138084868), (10, 1569042434), (20, 784521217)]