161688890840

素因数分解:

$2^3\times 5^1\times {\mathrm{112337}}^1\times {\mathrm{35983}}^1$

素因数の和:148331

約数の個数: 32

約数和(自身を含む): 363813353280

約数和(自身を除く): 202124462440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 35983, 71966, 112337, 143932, 179915, 224674, 287864, 359830, 449348, 561685, 719660, 898696, 1123370, 1439320, 2246740, 4493480, 4042222271, 8084444542, 16168889084, 20211111355, 32337778168, 40422222710, 80844445420, 161688890840]

約数ペア:

[(1, 161688890840), (2, 80844445420), (4, 40422222710), (5, 32337778168), (8, 20211111355), (10, 16168889084), (20, 8084444542), (40, 4042222271), (35983, 4493480), (71966, 2246740), (112337, 1439320), (143932, 1123370), (179915, 898696), (224674, 719660), (287864, 561685), (359830, 449348)]