53251280

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2011}}^1$

素因数の和:2355

約数の個数: 40

約数和(自身を含む): 124245024

約数和(自身を除く): 70993744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2011, 2648, 3310, 4022, 5296, 6620, 8044, 10055, 13240, 16088, 20110, 26480, 32176, 40220, 80440, 160880, 665641, 1331282, 2662564, 3328205, 5325128, 6656410, 10650256, 13312820, 26625640, 53251280]

約数ペア:

[(1, 53251280), (2, 26625640), (4, 13312820), (5, 10650256), (8, 6656410), (10, 5325128), (16, 3328205), (20, 2662564), (40, 1331282), (80, 665641), (331, 160880), (662, 80440), (1324, 40220), (1655, 32176), (2011, 26480), (2648, 20110), (3310, 16088), (4022, 13240), (5296, 10055), (6620, 8044)]