28421920

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4801}}^1$

素因数の和:4853

約数の個数: 48

約数和(自身を含む): 68975928

約数和(自身を除く): 40554008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 4801, 5920, 9602, 19204, 24005, 38408, 48010, 76816, 96020, 153632, 177637, 192040, 355274, 384080, 710548, 768160, 888185, 1421096, 1776370, 2842192, 3552740, 5684384, 7105480, 14210960, 28421920]

約数ペア:

[(1, 28421920), (2, 14210960), (4, 7105480), (5, 5684384), (8, 3552740), (10, 2842192), (16, 1776370), (20, 1421096), (32, 888185), (37, 768160), (40, 710548), (74, 384080), (80, 355274), (148, 192040), (160, 177637), (185, 153632), (296, 96020), (370, 76816), (592, 48010), (740, 38408), (1184, 24005), (1480, 19204), (2960, 9602), (4801, 5920)]