65086940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{39209}}^1$

素因数の和:39301

約数の個数: 24

約数和(自身を含む): 138332880

約数和(自身を除く): 73245940

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 39209, 78418, 156836, 196045, 392090, 784180, 3254347, 6508694, 13017388, 16271735, 32543470, 65086940]

約数ペア:

[(1, 65086940), (2, 32543470), (4, 16271735), (5, 13017388), (10, 6508694), (20, 3254347), (83, 784180), (166, 392090), (332, 196045), (415, 156836), (830, 78418), (1660, 39209)]