266227000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{20479}}^1$

素因数の和:20513

約数の個数: 64

約数和(自身を含む): 670924800

約数和(自身を除く): 404697800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 20479, 40958, 81916, 102395, 163832, 204790, 266227, 409580, 511975, 532454, 819160, 1023950, 1064908, 1331135, 2047900, 2129816, 2559875, 2662270, 4095800, 5119750, 5324540, 6655675, 10239500, 10649080, 13311350, 20479000, 26622700, 33278375, 53245400, 66556750, 133113500, 266227000]

約数ペア:

[(1, 266227000), (2, 133113500), (4, 66556750), (5, 53245400), (8, 33278375), (10, 26622700), (13, 20479000), (20, 13311350), (25, 10649080), (26, 10239500), (40, 6655675), (50, 5324540), (52, 5119750), (65, 4095800), (100, 2662270), (104, 2559875), (125, 2129816), (130, 2047900), (200, 1331135), (250, 1064908), (260, 1023950), (325, 819160), (500, 532454), (520, 511975), (650, 409580), (1000, 266227), (1300, 204790), (1625, 163832), (2600, 102395), (3250, 81916), (6500, 40958), (13000, 20479)]