81657070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{10169}}^1$

素因数の和:10260

約数の個数: 32

約数和(自身を含む): 162557280

約数和(自身を除く): 80900210

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 4015, 8030, 10169, 20338, 50845, 101690, 111859, 223718, 559295, 742337, 1118590, 1484674, 3711685, 7423370, 8165707, 16331414, 40828535, 81657070]

約数ペア:

[(1, 81657070), (2, 40828535), (5, 16331414), (10, 8165707), (11, 7423370), (22, 3711685), (55, 1484674), (73, 1118590), (110, 742337), (146, 559295), (365, 223718), (730, 111859), (803, 101690), (1606, 50845), (4015, 20338), (8030, 10169)]