54838720

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:845

約数の個数: 56

約数和(自身を含む): 131216400

約数和(自身を除く): 76377680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 419, 818, 838, 1636, 1676, 2045, 2095, 3272, 3352, 4090, 4190, 6544, 6704, 8180, 8380, 13088, 13408, 16360, 16760, 26176, 26816, 32720, 33520, 65440, 67040, 130880, 134080, 171371, 342742, 685484, 856855, 1370968, 1713710, 2741936, 3427420, 5483872, 6854840, 10967744, 13709680, 27419360, 54838720]

約数ペア:

[(1, 54838720), (2, 27419360), (4, 13709680), (5, 10967744), (8, 6854840), (10, 5483872), (16, 3427420), (20, 2741936), (32, 1713710), (40, 1370968), (64, 856855), (80, 685484), (160, 342742), (320, 171371), (409, 134080), (419, 130880), (818, 67040), (838, 65440), (1636, 33520), (1676, 32720), (2045, 26816), (2095, 26176), (3272, 16760), (3352, 16360), (4090, 13408), (4190, 13088), (6544, 8380), (6704, 8180)]