199608440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{39293}}^1$

素因数の和:39431

約数の個数: 32

約数和(自身を含む): 452666880

約数和(自身を除く): 253058440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 39293, 78586, 157172, 196465, 314344, 392930, 785860, 1571720, 4990211, 9980422, 19960844, 24951055, 39921688, 49902110, 99804220, 199608440]

約数ペア:

[(1, 199608440), (2, 99804220), (4, 49902110), (5, 39921688), (8, 24951055), (10, 19960844), (20, 9980422), (40, 4990211), (127, 1571720), (254, 785860), (508, 392930), (635, 314344), (1016, 196465), (1270, 157172), (2540, 78586), (5080, 39293)]