26931291280

素因数分解:

$2^4\times 5^1\times {\mathrm{336641141}}^1$

素因数の和:336641154

約数の個数: 20

約数和(自身を含む): 62615252412

約数和(自身を除く): 35683961132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 336641141, 673282282, 1346564564, 1683205705, 2693129128, 3366411410, 5386258256, 6732822820, 13465645640, 26931291280]

約数ペア:

[(1, 26931291280), (2, 13465645640), (4, 6732822820), (5, 5386258256), (8, 3366411410), (10, 2693129128), (16, 1683205705), (20, 1346564564), (40, 673282282), (80, 336641141)]