68363780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{41183}}^1$

素因数の和:41275

約数の個数: 24

約数和(自身を含む): 145297152

約数和(自身を除く): 76933372

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 41183, 82366, 164732, 205915, 411830, 823660, 3418189, 6836378, 13672756, 17090945, 34181890, 68363780]

約数ペア:

[(1, 68363780), (2, 34181890), (4, 17090945), (5, 13672756), (10, 6836378), (20, 3418189), (83, 823660), (166, 411830), (332, 205915), (415, 164732), (830, 82366), (1660, 41183)]