42407500

素因数分解:

$2^2\times 5^4\times {\mathrm{16963}}^1$

素因数の和:16987

約数の個数: 30

約数和(自身を含む): 92742188

約数和(自身を除く): 50334688

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 16963, 33926, 67852, 84815, 169630, 339260, 424075, 848150, 1696300, 2120375, 4240750, 8481500, 10601875, 21203750, 42407500]

約数ペア:

[(1, 42407500), (2, 21203750), (4, 10601875), (5, 8481500), (10, 4240750), (20, 2120375), (25, 1696300), (50, 848150), (100, 424075), (125, 339260), (250, 169630), (500, 84815), (625, 67852), (1250, 33926), (2500, 16963)]