2566540990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{25943}}^1$

素因数の和:26724

約数の個数: 32

約数和(自身を含む): 4981870656

約数和(自身を除く): 2415329666

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 761, 1522, 3805, 7610, 9893, 19786, 25943, 49465, 51886, 98930, 129715, 259430, 337259, 674518, 1686295, 3372590, 19742623, 39485246, 98713115, 197426230, 256654099, 513308198, 1283270495, 2566540990]

約数ペア:

[(1, 2566540990), (2, 1283270495), (5, 513308198), (10, 256654099), (13, 197426230), (26, 98713115), (65, 39485246), (130, 19742623), (761, 3372590), (1522, 1686295), (3805, 674518), (7610, 337259), (9893, 259430), (19786, 129715), (25943, 98930), (49465, 51886)]