2019604000

素因数分解:

$2^5\times 5^3\times {\mathrm{504901}}^1$

素因数の和:504926

約数の個数: 48

約数和(自身を含む): 4962176856

約数和(自身を除く): 2942572856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 504901, 1009802, 2019604, 2524505, 4039208, 5049010, 8078416, 10098020, 12622525, 16156832, 20196040, 25245050, 40392080, 50490100, 63112625, 80784160, 100980200, 126225250, 201960400, 252450500, 403920800, 504901000, 1009802000, 2019604000]

約数ペア:

[(1, 2019604000), (2, 1009802000), (4, 504901000), (5, 403920800), (8, 252450500), (10, 201960400), (16, 126225250), (20, 100980200), (25, 80784160), (32, 63112625), (40, 50490100), (50, 40392080), (80, 25245050), (100, 20196040), (125, 16156832), (160, 12622525), (200, 10098020), (250, 8078416), (400, 5049010), (500, 4039208), (800, 2524505), (1000, 2019604), (2000, 1009802), (4000, 504901)]