70528840

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4091}}^1$

素因数の和:4533

約数の個数: 32

約数和(自身を含む): 159096960

約数和(自身を除く): 88568120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4091, 4310, 8182, 8620, 16364, 17240, 20455, 32728, 40910, 81820, 163640, 1763221, 3526442, 7052884, 8816105, 14105768, 17632210, 35264420, 70528840]

約数ペア:

[(1, 70528840), (2, 35264420), (4, 17632210), (5, 14105768), (8, 8816105), (10, 7052884), (20, 3526442), (40, 1763221), (431, 163640), (862, 81820), (1724, 40910), (2155, 32728), (3448, 20455), (4091, 17240), (4310, 16364), (8182, 8620)]