72672500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{709}}^1$

素因数の和:774

約数の個数: 60

約数和(自身を含む): 163025940

約数和(自身を除く): 90353440

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 625, 709, 820, 1025, 1250, 1418, 2050, 2500, 2836, 3545, 4100, 5125, 7090, 10250, 14180, 17725, 20500, 25625, 29069, 35450, 51250, 58138, 70900, 88625, 102500, 116276, 145345, 177250, 290690, 354500, 443125, 581380, 726725, 886250, 1453450, 1772500, 2906900, 3633625, 7267250, 14534500, 18168125, 36336250, 72672500]

約数ペア:

[(1, 72672500), (2, 36336250), (4, 18168125), (5, 14534500), (10, 7267250), (20, 3633625), (25, 2906900), (41, 1772500), (50, 1453450), (82, 886250), (100, 726725), (125, 581380), (164, 443125), (205, 354500), (250, 290690), (410, 177250), (500, 145345), (625, 116276), (709, 102500), (820, 88625), (1025, 70900), (1250, 58138), (1418, 51250), (2050, 35450), (2500, 29069), (2836, 25625), (3545, 20500), (4100, 17725), (5125, 14180), (7090, 10250)]