68650280

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{3583}}^1$

素因数の和:4073

約数の個数: 32

約数和(自身を含む): 154828800

約数和(自身を除く): 86178520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3583, 3832, 4790, 7166, 9580, 14332, 17915, 19160, 28664, 35830, 71660, 143320, 1716257, 3432514, 6865028, 8581285, 13730056, 17162570, 34325140, 68650280]

約数ペア:

[(1, 68650280), (2, 34325140), (4, 17162570), (5, 13730056), (8, 8581285), (10, 6865028), (20, 3432514), (40, 1716257), (479, 143320), (958, 71660), (1916, 35830), (2395, 28664), (3583, 19160), (3832, 17915), (4790, 14332), (7166, 9580)]