2009098100

素因数分解:

$2^2\times 5^2\times {\mathrm{4999}}^1\times {\mathrm{4019}}^1$

素因数の和:9032

約数の個数: 36

約数和(自身を含む): 4361700000

約数和(自身を除く): 2352601900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 4019, 4999, 8038, 9998, 16076, 19996, 20095, 24995, 40190, 49990, 80380, 99980, 100475, 124975, 200950, 249950, 401900, 499900, 20090981, 40181962, 80363924, 100454905, 200909810, 401819620, 502274525, 1004549050, 2009098100]

約数ペア:

[(1, 2009098100), (2, 1004549050), (4, 502274525), (5, 401819620), (10, 200909810), (20, 100454905), (25, 80363924), (50, 40181962), (100, 20090981), (4019, 499900), (4999, 401900), (8038, 249950), (9998, 200950), (16076, 124975), (19996, 100475), (20095, 99980), (24995, 80380), (40190, 49990)]