127286120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244781}}^1$

素因数の和:244805

約数の個数: 32

約数和(自身を含む): 308425320

約数和(自身を除く): 181139200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 244781, 489562, 979124, 1223905, 1958248, 2447810, 3182153, 4895620, 6364306, 9791240, 12728612, 15910765, 25457224, 31821530, 63643060, 127286120]

約数ペア:

[(1, 127286120), (2, 63643060), (4, 31821530), (5, 25457224), (8, 15910765), (10, 12728612), (13, 9791240), (20, 6364306), (26, 4895620), (40, 3182153), (52, 2447810), (65, 1958248), (104, 1223905), (130, 979124), (260, 489562), (520, 244781)]