31268560

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1453}}^1$

素因数の和:1735

約数の個数: 40

約数和(自身を含む): 73019880

約数和(自身を除く): 41751320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 1453, 2152, 2690, 2906, 4304, 5380, 5812, 7265, 10760, 11624, 14530, 21520, 23248, 29060, 58120, 116240, 390857, 781714, 1563428, 1954285, 3126856, 3908570, 6253712, 7817140, 15634280, 31268560]

約数ペア:

[(1, 31268560), (2, 15634280), (4, 7817140), (5, 6253712), (8, 3908570), (10, 3126856), (16, 1954285), (20, 1563428), (40, 781714), (80, 390857), (269, 116240), (538, 58120), (1076, 29060), (1345, 23248), (1453, 21520), (2152, 14530), (2690, 11624), (2906, 10760), (4304, 7265), (5380, 5812)]