2540940544

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{320179}}^1$

素因数の和:320226

約数の個数: 36

約数和(自身を含む): 5235583360

約数和(自身を除く): 2694642816

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 320179, 640358, 1280716, 2561432, 5122864, 9925549, 10245728, 19851098, 20491456, 39702196, 40982912, 79404392, 81965824, 158808784, 317617568, 635235136, 1270470272, 2540940544]

約数ペア:

[(1, 2540940544), (2, 1270470272), (4, 635235136), (8, 317617568), (16, 158808784), (31, 81965824), (32, 79404392), (62, 40982912), (64, 39702196), (124, 20491456), (128, 19851098), (248, 10245728), (256, 9925549), (496, 5122864), (992, 2561432), (1984, 1280716), (3968, 640358), (7936, 320179)]