72055220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{189619}}^1$

素因数の和:189647

約数の個数: 24

約数和(自身を含む): 159280800

約数和(自身を除く): 87225580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 189619, 379238, 758476, 948095, 1896190, 3602761, 3792380, 7205522, 14411044, 18013805, 36027610, 72055220]

約数ペア:

[(1, 72055220), (2, 36027610), (4, 18013805), (5, 14411044), (10, 7205522), (19, 3792380), (20, 3602761), (38, 1896190), (76, 948095), (95, 758476), (190, 379238), (380, 189619)]