80209300

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{8269}}^1$

素因数の和:8380

約数の個数: 36

約数和(自身を含む): 175869820

約数和(自身を除く): 95660520

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 4850, 8269, 9700, 16538, 33076, 41345, 82690, 165380, 206725, 413450, 802093, 826900, 1604186, 3208372, 4010465, 8020930, 16041860, 20052325, 40104650, 80209300]

約数ペア:

[(1, 80209300), (2, 40104650), (4, 20052325), (5, 16041860), (10, 8020930), (20, 4010465), (25, 3208372), (50, 1604186), (97, 826900), (100, 802093), (194, 413450), (388, 206725), (485, 165380), (970, 82690), (1940, 41345), (2425, 33076), (4850, 16538), (8269, 9700)]