25706260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 56149632

約数和(自身を除く): 30443372

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 421, 430, 710, 842, 860, 1420, 1684, 2105, 3053, 4210, 6106, 8420, 12212, 15265, 18103, 29891, 30530, 36206, 59782, 61060, 72412, 90515, 119564, 149455, 181030, 298910, 362060, 597820, 1285313, 2570626, 5141252, 6426565, 12853130, 25706260]

約数ペア:

[(1, 25706260), (2, 12853130), (4, 6426565), (5, 5141252), (10, 2570626), (20, 1285313), (43, 597820), (71, 362060), (86, 298910), (142, 181030), (172, 149455), (215, 119564), (284, 90515), (355, 72412), (421, 61060), (430, 59782), (710, 36206), (842, 30530), (860, 29891), (1420, 18103), (1684, 15265), (2105, 12212), (3053, 8420), (4210, 6106)]