80209948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{220357}}^1$

素因数の和:220381

約数の個数: 24

約数和(自身を含む): 172760672

約数和(自身を除く): 92550724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 220357, 440714, 881428, 1542499, 2864641, 3084998, 5729282, 6169996, 11458564, 20052487, 40104974, 80209948]

約数ペア:

[(1, 80209948), (2, 40104974), (4, 20052487), (7, 11458564), (13, 6169996), (14, 5729282), (26, 3084998), (28, 2864641), (52, 1542499), (91, 881428), (182, 440714), (364, 220357)]