28606480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2221}}^1$

素因数の和:2264

約数の個数: 80

約数和(自身を含む): 79352064

約数和(自身を除く): 50745584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2221, 2576, 3220, 4442, 6440, 8884, 11105, 12880, 15547, 17768, 22210, 31094, 35536, 44420, 51083, 62188, 77735, 88840, 102166, 124376, 155470, 177680, 204332, 248752, 255415, 310940, 357581, 408664, 510830, 621880, 715162, 817328, 1021660, 1243760, 1430324, 1787905, 2043320, 2860648, 3575810, 4086640, 5721296, 7151620, 14303240, 28606480]

約数ペア:

[(1, 28606480), (2, 14303240), (4, 7151620), (5, 5721296), (7, 4086640), (8, 3575810), (10, 2860648), (14, 2043320), (16, 1787905), (20, 1430324), (23, 1243760), (28, 1021660), (35, 817328), (40, 715162), (46, 621880), (56, 510830), (70, 408664), (80, 357581), (92, 310940), (112, 255415), (115, 248752), (140, 204332), (161, 177680), (184, 155470), (230, 124376), (280, 102166), (322, 88840), (368, 77735), (460, 62188), (560, 51083), (644, 44420), (805, 35536), (920, 31094), (1288, 22210), (1610, 17768), (1840, 15547), (2221, 12880), (2576, 11105), (3220, 8884), (4442, 6440)]