31786040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5557}}^1$

素因数の和:5592

約数の個数: 64

約数和(自身を含む): 84036960

約数和(自身を除く): 52250920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5557, 5720, 11114, 22228, 27785, 44456, 55570, 61127, 72241, 111140, 122254, 144482, 222280, 244508, 288964, 305635, 361205, 489016, 577928, 611270, 722410, 794651, 1222540, 1444820, 1589302, 2445080, 2889640, 3178604, 3973255, 6357208, 7946510, 15893020, 31786040]

約数ペア:

[(1, 31786040), (2, 15893020), (4, 7946510), (5, 6357208), (8, 3973255), (10, 3178604), (11, 2889640), (13, 2445080), (20, 1589302), (22, 1444820), (26, 1222540), (40, 794651), (44, 722410), (52, 611270), (55, 577928), (65, 489016), (88, 361205), (104, 305635), (110, 288964), (130, 244508), (143, 222280), (220, 144482), (260, 122254), (286, 111140), (440, 72241), (520, 61127), (572, 55570), (715, 44456), (1144, 27785), (1430, 22228), (2860, 11114), (5557, 5720)]