80397070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{618439}}^1$

素因数の和:618459

約数の個数: 16

約数和(自身を含む): 155846880

約数和(自身を除く): 75449810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 618439, 1236878, 3092195, 6184390, 8039707, 16079414, 40198535, 80397070]

約数ペア:

[(1, 80397070), (2, 40198535), (5, 16079414), (10, 8039707), (13, 6184390), (26, 3092195), (65, 1236878), (130, 618439)]