31295000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{569}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 80130600

約数和(自身を除く): 48835600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 569, 625, 1000, 1100, 1138, 1250, 1375, 2200, 2276, 2500, 2750, 2845, 4552, 5000, 5500, 5690, 6259, 6875, 11000, 11380, 12518, 13750, 14225, 22760, 25036, 27500, 28450, 31295, 50072, 55000, 56900, 62590, 71125, 113800, 125180, 142250, 156475, 250360, 284500, 312950, 355625, 569000, 625900, 711250, 782375, 1251800, 1422500, 1564750, 2845000, 3129500, 3911875, 6259000, 7823750, 15647500, 31295000]

約数ペア:

[(1, 31295000), (2, 15647500), (4, 7823750), (5, 6259000), (8, 3911875), (10, 3129500), (11, 2845000), (20, 1564750), (22, 1422500), (25, 1251800), (40, 782375), (44, 711250), (50, 625900), (55, 569000), (88, 355625), (100, 312950), (110, 284500), (125, 250360), (200, 156475), (220, 142250), (250, 125180), (275, 113800), (440, 71125), (500, 62590), (550, 56900), (569, 55000), (625, 50072), (1000, 31295), (1100, 28450), (1138, 27500), (1250, 25036), (1375, 22760), (2200, 14225), (2276, 13750), (2500, 12518), (2750, 11380), (2845, 11000), (4552, 6875), (5000, 6259), (5500, 5690)]