64684100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49757}}^1$

素因数の和:49784

約数の個数: 36

約数和(自身を含む): 151164804

約数和(自身を除く): 86480704

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 49757, 99514, 199028, 248785, 497570, 646841, 995140, 1243925, 1293682, 2487850, 2587364, 3234205, 4975700, 6468410, 12936820, 16171025, 32342050, 64684100]

約数ペア:

[(1, 64684100), (2, 32342050), (4, 16171025), (5, 12936820), (10, 6468410), (13, 4975700), (20, 3234205), (25, 2587364), (26, 2487850), (50, 1293682), (52, 1243925), (65, 995140), (100, 646841), (130, 497570), (260, 248785), (325, 199028), (650, 99514), (1300, 49757)]