25998700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2891

約数の個数: 72

約数和(自身を含む): 69460832

約数和(自身を除く): 43462132

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 2857, 4550, 5714, 9100, 11428, 14285, 19999, 28570, 37141, 39998, 57140, 71425, 74282, 79996, 99995, 142850, 148564, 185705, 199990, 259987, 285700, 371410, 399980, 499975, 519974, 742820, 928525, 999950, 1039948, 1299935, 1857050, 1999900, 2599870, 3714100, 5199740, 6499675, 12999350, 25998700]

約数ペア:

[(1, 25998700), (2, 12999350), (4, 6499675), (5, 5199740), (7, 3714100), (10, 2599870), (13, 1999900), (14, 1857050), (20, 1299935), (25, 1039948), (26, 999950), (28, 928525), (35, 742820), (50, 519974), (52, 499975), (65, 399980), (70, 371410), (91, 285700), (100, 259987), (130, 199990), (140, 185705), (175, 148564), (182, 142850), (260, 99995), (325, 79996), (350, 74282), (364, 71425), (455, 57140), (650, 39998), (700, 37141), (910, 28570), (1300, 19999), (1820, 14285), (2275, 11428), (2857, 9100), (4550, 5714)]