13379540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4261}}^1$

素因数の和:4427

約数の個数: 24

約数和(自身を含む): 28282632

約数和(自身を除く): 14903092

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 4261, 8522, 17044, 21305, 42610, 85220, 668977, 1337954, 2675908, 3344885, 6689770, 13379540]

約数ペア:

[(1, 13379540), (2, 6689770), (4, 3344885), (5, 2675908), (10, 1337954), (20, 668977), (157, 85220), (314, 42610), (628, 21305), (785, 17044), (1570, 8522), (3140, 4261)]