16511440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:700

約数の個数: 80

約数和(自身を含む): 43390080

約数和(自身を除く): 26878640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 647, 880, 1160, 1276, 1294, 1595, 2320, 2552, 2588, 3190, 3235, 5104, 5176, 6380, 6470, 7117, 10352, 12760, 12940, 14234, 18763, 25520, 25880, 28468, 35585, 37526, 51760, 56936, 71170, 75052, 93815, 113872, 142340, 150104, 187630, 206393, 284680, 300208, 375260, 412786, 569360, 750520, 825572, 1031965, 1501040, 1651144, 2063930, 3302288, 4127860, 8255720, 16511440]

約数ペア:

[(1, 16511440), (2, 8255720), (4, 4127860), (5, 3302288), (8, 2063930), (10, 1651144), (11, 1501040), (16, 1031965), (20, 825572), (22, 750520), (29, 569360), (40, 412786), (44, 375260), (55, 300208), (58, 284680), (80, 206393), (88, 187630), (110, 150104), (116, 142340), (145, 113872), (176, 93815), (220, 75052), (232, 71170), (290, 56936), (319, 51760), (440, 37526), (464, 35585), (580, 28468), (638, 25880), (647, 25520), (880, 18763), (1160, 14234), (1276, 12940), (1294, 12760), (1595, 10352), (2320, 7117), (2552, 6470), (2588, 6380), (3190, 5176), (3235, 5104)]