40257500

素因数分解:

$2^2\times 5^4\times {\mathrm{16103}}^1$

素因数の和:16127

約数の個数: 30

約数和(自身を含む): 88040568

約数和(自身を除く): 47783068

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 16103, 32206, 64412, 80515, 161030, 322060, 402575, 805150, 1610300, 2012875, 4025750, 8051500, 10064375, 20128750, 40257500]

約数ペア:

[(1, 40257500), (2, 20128750), (4, 10064375), (5, 8051500), (10, 4025750), (20, 2012875), (25, 1610300), (50, 805150), (100, 402575), (125, 322060), (250, 161030), (500, 80515), (625, 64412), (1250, 32206), (2500, 16103)]