80821130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{621701}}^1$

素因数の和:621721

約数の個数: 16

約数和(自身を含む): 156668904

約数和(自身を除く): 75847774

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 621701, 1243402, 3108505, 6217010, 8082113, 16164226, 40410565, 80821130]

約数ペア:

[(1, 80821130), (2, 40410565), (5, 16164226), (10, 8082113), (13, 6217010), (26, 3108505), (65, 1243402), (130, 621701)]