827238100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1650

約数の個数: 108

約数和(自身を含む): 2007788160

約数和(自身を除く): 1180550060

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 169, 260, 310, 325, 338, 403, 620, 650, 676, 775, 806, 845, 1300, 1550, 1579, 1612, 1690, 2015, 3100, 3158, 3380, 4030, 4225, 5239, 6316, 7895, 8060, 8450, 10075, 10478, 15790, 16900, 20150, 20527, 20956, 26195, 31580, 39475, 40300, 41054, 48949, 52390, 78950, 82108, 97898, 102635, 104780, 130975, 157900, 195796, 205270, 244745, 261950, 266851, 410540, 489490, 513175, 523900, 533702, 636337, 978980, 1026350, 1067404, 1223725, 1272674, 1334255, 2052700, 2447450, 2545348, 2668510, 3181685, 4894900, 5337020, 6363370, 6671275, 8272381, 12726740, 13342550, 15908425, 16544762, 26685100, 31816850, 33089524, 41361905, 63633700, 82723810, 165447620, 206809525, 413619050, 827238100]

約数ペア:

[(1, 827238100), (2, 413619050), (4, 206809525), (5, 165447620), (10, 82723810), (13, 63633700), (20, 41361905), (25, 33089524), (26, 31816850), (31, 26685100), (50, 16544762), (52, 15908425), (62, 13342550), (65, 12726740), (100, 8272381), (124, 6671275), (130, 6363370), (155, 5337020), (169, 4894900), (260, 3181685), (310, 2668510), (325, 2545348), (338, 2447450), (403, 2052700), (620, 1334255), (650, 1272674), (676, 1223725), (775, 1067404), (806, 1026350), (845, 978980), (1300, 636337), (1550, 533702), (1579, 523900), (1612, 513175), (1690, 489490), (2015, 410540), (3100, 266851), (3158, 261950), (3380, 244745), (4030, 205270), (4225, 195796), (5239, 157900), (6316, 130975), (7895, 104780), (8060, 102635), (8450, 97898), (10075, 82108), (10478, 78950), (15790, 52390), (16900, 48949), (20150, 41054), (20527, 40300), (20956, 39475), (26195, 31580)]