2499966430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{138349}}^1$

素因数の和:138508

約数の個数: 32

約数和(自身を含む): 4880988000

約数和(自身を除く): 2381021570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 9035, 18070, 138349, 276698, 691745, 1383490, 1798537, 3597074, 8992685, 17985370, 19230511, 38461022, 96152555, 192305110, 249996643, 499993286, 1249983215, 2499966430]

約数ペア:

[(1, 2499966430), (2, 1249983215), (5, 499993286), (10, 249996643), (13, 192305110), (26, 96152555), (65, 38461022), (130, 19230511), (139, 17985370), (278, 8992685), (695, 3597074), (1390, 1798537), (1807, 1383490), (3614, 691745), (9035, 276698), (18070, 138349)]