15931960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36209}}^1$

素因数の和:36231

約数の個数: 32

約数和(自身を含む): 39106800

約数和(自身を除く): 23174840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 36209, 72418, 144836, 181045, 289672, 362090, 398299, 724180, 796598, 1448360, 1593196, 1991495, 3186392, 3982990, 7965980, 15931960]

約数ペア:

[(1, 15931960), (2, 7965980), (4, 3982990), (5, 3186392), (8, 1991495), (10, 1593196), (11, 1448360), (20, 796598), (22, 724180), (40, 398299), (44, 362090), (55, 289672), (88, 181045), (110, 144836), (220, 72418), (440, 36209)]