20080528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3329}}^1$

素因数の和:3379

約数の個数: 40

約数和(自身を含む): 43356600

約数和(自身を除く): 23276072

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3329, 6032, 6658, 13316, 26632, 43277, 53264, 86554, 96541, 173108, 193082, 346216, 386164, 692432, 772328, 1255033, 1544656, 2510066, 5020132, 10040264, 20080528]

約数ペア:

[(1, 20080528), (2, 10040264), (4, 5020132), (8, 2510066), (13, 1544656), (16, 1255033), (26, 772328), (29, 692432), (52, 386164), (58, 346216), (104, 193082), (116, 173108), (208, 96541), (232, 86554), (377, 53264), (464, 43277), (754, 26632), (1508, 13316), (3016, 6658), (3329, 6032)]