338405680

素因数分解:

$2^4\times 5^1\times {\mathrm{4230071}}^1$

素因数の和:4230084

約数の個数: 20

約数和(自身を含む): 786793392

約数和(自身を除く): 448387712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4230071, 8460142, 16920284, 21150355, 33840568, 42300710, 67681136, 84601420, 169202840, 338405680]

約数ペア:

[(1, 338405680), (2, 169202840), (4, 84601420), (5, 67681136), (8, 42300710), (10, 33840568), (16, 21150355), (20, 16920284), (40, 8460142), (80, 4230071)]