42128440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8293}}^1$

素因数の和:8431

約数の個数: 32

約数和(自身を含む): 95546880

約数和(自身を除く): 53418440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 8293, 16586, 33172, 41465, 66344, 82930, 165860, 331720, 1053211, 2106422, 4212844, 5266055, 8425688, 10532110, 21064220, 42128440]

約数ペア:

[(1, 42128440), (2, 21064220), (4, 10532110), (5, 8425688), (8, 5266055), (10, 4212844), (20, 2106422), (40, 1053211), (127, 331720), (254, 165860), (508, 82930), (635, 66344), (1016, 41465), (1270, 33172), (2540, 16586), (5080, 8293)]