79428340

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{31271}}^1$

素因数の和:31407

約数の個数: 24

約数和(自身を含む): 168118272

約数和(自身を除く): 88689932

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 31271, 62542, 125084, 156355, 312710, 625420, 3971417, 7942834, 15885668, 19857085, 39714170, 79428340]

約数ペア:

[(1, 79428340), (2, 39714170), (4, 19857085), (5, 15885668), (10, 7942834), (20, 3971417), (127, 625420), (254, 312710), (508, 156355), (635, 125084), (1270, 62542), (2540, 31271)]