72492520

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4091}}^1$

素因数の和:4545

約数の個数: 32

約数和(自身を含む): 163516320

約数和(自身を除く): 91023800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4091, 4430, 8182, 8860, 16364, 17720, 20455, 32728, 40910, 81820, 163640, 1812313, 3624626, 7249252, 9061565, 14498504, 18123130, 36246260, 72492520]

約数ペア:

[(1, 72492520), (2, 36246260), (4, 18123130), (5, 14498504), (8, 9061565), (10, 7249252), (20, 3624626), (40, 1812313), (443, 163640), (886, 81820), (1772, 40910), (2215, 32728), (3544, 20455), (4091, 17720), (4430, 16364), (8182, 8860)]