80139410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{16661}}^1$

素因数の和:16718

約数の個数: 32

約数和(自身を含む): 159555312

約数和(自身を除く): 79415902

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 16661, 33322, 83305, 166610, 216593, 433186, 616457, 1082965, 1232914, 2165930, 3082285, 6164570, 8013941, 16027882, 40069705, 80139410]

約数ペア:

[(1, 80139410), (2, 40069705), (5, 16027882), (10, 8013941), (13, 6164570), (26, 3082285), (37, 2165930), (65, 1232914), (74, 1082965), (130, 616457), (185, 433186), (370, 216593), (481, 166610), (962, 83305), (2405, 33322), (4810, 16661)]