28361060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15583}}^1$

素因数の和:15612

約数の個数: 48

約数和(自身を含む): 73307136

約数和(自身を除く): 44946076

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15583, 31166, 62332, 77915, 109081, 155830, 202579, 218162, 311660, 405158, 436324, 545405, 810316, 1012895, 1090810, 1418053, 2025790, 2181620, 2836106, 4051580, 5672212, 7090265, 14180530, 28361060]

約数ペア:

[(1, 28361060), (2, 14180530), (4, 7090265), (5, 5672212), (7, 4051580), (10, 2836106), (13, 2181620), (14, 2025790), (20, 1418053), (26, 1090810), (28, 1012895), (35, 810316), (52, 545405), (65, 436324), (70, 405158), (91, 311660), (130, 218162), (140, 202579), (182, 155830), (260, 109081), (364, 77915), (455, 62332), (910, 31166), (1820, 15583)]