254607860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{979261}}^1$

素因数の和:979283

約数の個数: 24

約数和(自身を含む): 575806056

約数和(自身を除く): 321198196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 979261, 1958522, 3917044, 4896305, 9792610, 12730393, 19585220, 25460786, 50921572, 63651965, 127303930, 254607860]

約数ペア:

[(1, 254607860), (2, 127303930), (4, 63651965), (5, 50921572), (10, 25460786), (13, 19585220), (20, 12730393), (26, 9792610), (52, 4896305), (65, 3917044), (130, 1958522), (260, 979261)]