28777460

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5471}}^1$

素因数の和:5743

約数の個数: 24

約数和(自身を含む): 60673536

約数和(自身を除く): 31896076

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 5471, 10942, 21884, 27355, 54710, 109420, 1438873, 2877746, 5755492, 7194365, 14388730, 28777460]

約数ペア:

[(1, 28777460), (2, 14388730), (4, 7194365), (5, 5755492), (10, 2877746), (20, 1438873), (263, 109420), (526, 54710), (1052, 27355), (1315, 21884), (2630, 10942), (5260, 5471)]