80705690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{620813}}^1$

素因数の和:620833

約数の個数: 16

約数和(自身を含む): 156445128

約数和(自身を除く): 75739438

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 620813, 1241626, 3104065, 6208130, 8070569, 16141138, 40352845, 80705690]

約数ペア:

[(1, 80705690), (2, 40352845), (5, 16141138), (10, 8070569), (13, 6208130), (26, 3104065), (65, 1241626), (130, 620813)]