70873640

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4111}}^1$

素因数の和:4553

約数の個数: 32

約数和(自身を含む): 159874560

約数和(自身を除く): 89000920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4111, 4310, 8222, 8620, 16444, 17240, 20555, 32888, 41110, 82220, 164440, 1771841, 3543682, 7087364, 8859205, 14174728, 17718410, 35436820, 70873640]

約数ペア:

[(1, 70873640), (2, 35436820), (4, 17718410), (5, 14174728), (8, 8859205), (10, 7087364), (20, 3543682), (40, 1771841), (431, 164440), (862, 82220), (1724, 41110), (2155, 32888), (3448, 20555), (4111, 17240), (4310, 16444), (8222, 8620)]