138701680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{10259}}^1$

素因数の和:10298

約数の個数: 60

約数和(自身を含む): 349229880

約数和(自身を除く): 210528200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 10259, 13520, 20518, 41036, 51295, 82072, 102590, 133367, 164144, 205180, 266734, 410360, 533468, 666835, 820720, 1066936, 1333670, 1733771, 2133872, 2667340, 3467542, 5334680, 6935084, 8668855, 10669360, 13870168, 17337710, 27740336, 34675420, 69350840, 138701680]

約数ペア:

[(1, 138701680), (2, 69350840), (4, 34675420), (5, 27740336), (8, 17337710), (10, 13870168), (13, 10669360), (16, 8668855), (20, 6935084), (26, 5334680), (40, 3467542), (52, 2667340), (65, 2133872), (80, 1733771), (104, 1333670), (130, 1066936), (169, 820720), (208, 666835), (260, 533468), (338, 410360), (520, 266734), (676, 205180), (845, 164144), (1040, 133367), (1352, 102590), (1690, 82072), (2704, 51295), (3380, 41036), (6760, 20518), (10259, 13520)]